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Finding the Fourth Proportional to 546,427.70, 819,641.55 and 497,438.90

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Solution

The fourth proportional to 546,427.70, 819,641.55 and 497,438.90 is: 746,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,427.70 : 819,641.55 = 497,438.90 : x
  2. Step 2: Convert to fraction form
    546,427.70/819,641.55 = 497,438.90/x
  3. Step 3: Cross multiply
    546,427.70x = 819,641.55 × 497,438.90
  4. Step 4: Simplify right side
    546,427.70x = 407,721,591,026.30
  5. Step 5: Solve for x
    x = 407,721,591,026.30/546,427.70
  6. Step 6: Final answer
    x = 746,158.35

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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.