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Finding the Fourth Proportional to 546,487.56, 754,170.55 and 304,780.32

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Solution

The fourth proportional to 546,487.56, 754,170.55 and 304,780.32 is: 420,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,487.56 : 754,170.55 = 304,780.32 : x
  2. Step 2: Convert to fraction form
    546,487.56/754,170.55 = 304,780.32/x
  3. Step 3: Cross multiply
    546,487.56x = 754,170.55 × 304,780.32
  4. Step 4: Simplify right side
    546,487.56x = 229,856,340,801.63
  5. Step 5: Solve for x
    x = 229,856,340,801.63/546,487.56
  6. Step 6: Final answer
    x = 420,606.72

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Double scale
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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.