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Finding the Fourth Proportional to 363,902.70, 545,854.05 and 348,545.10

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Solution

The fourth proportional to 363,902.70, 545,854.05 and 348,545.10 is: 522,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,902.70 : 545,854.05 = 348,545.10 : x
  2. Step 2: Convert to fraction form
    363,902.70/545,854.05 = 348,545.10/x
  3. Step 3: Cross multiply
    363,902.70x = 545,854.05 × 348,545.10
  4. Step 4: Simplify right side
    363,902.70x = 190,254,754,442.66
  5. Step 5: Solve for x
    x = 190,254,754,442.66/363,902.70
  6. Step 6: Final answer
    x = 522,817.65

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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.