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Finding the Fourth Proportional to 497,043.90, 745,565.85 and 458,552.70

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Solution

The fourth proportional to 497,043.90, 745,565.85 and 458,552.70 is: 687,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,043.90 : 745,565.85 = 458,552.70 : x
  2. Step 2: Convert to fraction form
    497,043.90/745,565.85 = 458,552.70/x
  3. Step 3: Cross multiply
    497,043.90x = 745,565.85 × 458,552.70
  4. Step 4: Simplify right side
    497,043.90x = 341,881,233,545.30
  5. Step 5: Solve for x
    x = 341,881,233,545.30/497,043.90
  6. Step 6: Final answer
    x = 687,829.05

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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.