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Finding the Fourth Proportional to 546,926.70, 820,390.05 and 247,417.05

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Solution

The fourth proportional to 546,926.70, 820,390.05 and 247,417.05 is: 371,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,926.70 : 820,390.05 = 247,417.05 : x
  2. Step 2: Convert to fraction form
    546,926.70/820,390.05 = 247,417.05/x
  3. Step 3: Cross multiply
    546,926.70x = 820,390.05 × 247,417.05
  4. Step 4: Simplify right side
    546,926.70x = 202,978,486,020.35
  5. Step 5: Solve for x
    x = 202,978,486,020.35/546,926.70
  6. Step 6: Final answer
    x = 371,125.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.