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Finding the Fourth Proportional to 487,237.28, 730,934.73 and 150,199.11

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Solution

The fourth proportional to 487,237.28, 730,934.73 and 150,199.11 is: 225,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,237.28 : 730,934.73 = 150,199.11 : x
  2. Step 2: Convert to fraction form
    487,237.28/730,934.73 = 150,199.11/x
  3. Step 3: Cross multiply
    487,237.28x = 730,934.73 × 150,199.11
  4. Step 4: Simplify right side
    487,237.28x = 109,785,745,914.09
  5. Step 5: Solve for x
    x = 109,785,745,914.09/487,237.28
  6. Step 6: Final answer
    x = 225,322.96

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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.