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Finding the Fourth Proportional to 366,932.10, 550,398.15 and 338,063.70

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Solution

The fourth proportional to 366,932.10, 550,398.15 and 338,063.70 is: 507,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,932.10 : 550,398.15 = 338,063.70 : x
  2. Step 2: Convert to fraction form
    366,932.10/550,398.15 = 338,063.70/x
  3. Step 3: Cross multiply
    366,932.10x = 550,398.15 × 338,063.70
  4. Step 4: Simplify right side
    366,932.10x = 186,069,635,062.16
  5. Step 5: Solve for x
    x = 186,069,635,062.16/366,932.10
  6. Step 6: Final answer
    x = 507,095.55

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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.