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Finding the Fourth Proportional to 546,427.96, 754,658.71 and 415,974.76

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Solution

The fourth proportional to 546,427.96, 754,658.71 and 415,974.76 is: 574,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,427.96 : 754,658.71 = 415,974.76 : x
  2. Step 2: Convert to fraction form
    546,427.96/754,658.71 = 415,974.76/x
  3. Step 3: Cross multiply
    546,427.96x = 754,658.71 × 415,974.76
  4. Step 4: Simplify right side
    546,427.96x = 313,918,972,847.58
  5. Step 5: Solve for x
    x = 313,918,972,847.58/546,427.96
  6. Step 6: Final answer
    x = 574,492.88

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Half scale
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Double scale
Find fourth proportional to 546,428.96, 754,660.09 and 415,975.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.