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Finding the Fourth Proportional to 442,036.90, 610,084.05 and 260,793.13

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Solution

The fourth proportional to 442,036.90, 610,084.05 and 260,793.13 is: 359,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,036.90 : 610,084.05 = 260,793.13 : x
  2. Step 2: Convert to fraction form
    442,036.90/610,084.05 = 260,793.13/x
  3. Step 3: Cross multiply
    442,036.90x = 610,084.05 × 260,793.13
  4. Step 4: Simplify right side
    442,036.90x = 159,105,728,962.58
  5. Step 5: Solve for x
    x = 159,105,728,962.58/442,036.90
  6. Step 6: Final answer
    x = 359,937.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.