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Finding the Fourth Proportional to 369,957.78, 554,939.10 and 117,232.92

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Solution

The fourth proportional to 369,957.78, 554,939.10 and 117,232.92 is: 175,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,957.78 : 554,939.10 = 117,232.92 : x
  2. Step 2: Convert to fraction form
    369,957.78/554,939.10 = 117,232.92/x
  3. Step 3: Cross multiply
    369,957.78x = 554,939.10 × 117,232.92
  4. Step 4: Simplify right side
    369,957.78x = 65,057,131,115.17
  5. Step 5: Solve for x
    x = 65,057,131,115.17/369,957.78
  6. Step 6: Final answer
    x = 175,850.15

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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.