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Finding the Fourth Proportional to 269,740.70, 404,265.45 and 240,019.10

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Solution

The fourth proportional to 269,740.70, 404,265.45 and 240,019.10 is: 359,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,740.70 : 404,265.45 = 240,019.10 : x
  2. Step 2: Convert to fraction form
    269,740.70/404,265.45 = 240,019.10/x
  3. Step 3: Cross multiply
    269,740.70x = 404,265.45 × 240,019.10
  4. Step 4: Simplify right side
    269,740.70x = 97,031,429,470.10
  5. Step 5: Solve for x
    x = 97,031,429,470.10/269,740.70
  6. Step 6: Final answer
    x = 359,721.13

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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.