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Finding the Fourth Proportional to 437,210.52, 655,972.38 and 152,979.12

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Solution

The fourth proportional to 437,210.52, 655,972.38 and 152,979.12 is: 229,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,210.52 : 655,972.38 = 152,979.12 : x
  2. Step 2: Convert to fraction form
    437,210.52/655,972.38 = 152,979.12/x
  3. Step 3: Cross multiply
    437,210.52x = 655,972.38 × 152,979.12
  4. Step 4: Simplify right side
    437,210.52x = 100,350,077,436.71
  5. Step 5: Solve for x
    x = 100,350,077,436.71/437,210.52
  6. Step 6: Final answer
    x = 229,523.47

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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.