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Finding the Fourth Proportional to 439,937.14, 660,155.38 and 237,530.56

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Solution

The fourth proportional to 439,937.14, 660,155.38 and 237,530.56 is: 356,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,937.14 : 660,155.38 = 237,530.56 : x
  2. Step 2: Convert to fraction form
    439,937.14/660,155.38 = 237,530.56/x
  3. Step 3: Cross multiply
    439,937.14x = 660,155.38 × 237,530.56
  4. Step 4: Simplify right side
    439,937.14x = 156,807,077,098.41
  5. Step 5: Solve for x
    x = 156,807,077,098.41/439,937.14
  6. Step 6: Final answer
    x = 356,430.64

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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.