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Finding the Fourth Proportional to 398,472.18, 597,801.71 and 158,600.60

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Solution

The fourth proportional to 398,472.18, 597,801.71 and 158,600.60 is: 237,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,472.18 : 597,801.71 = 158,600.60 : x
  2. Step 2: Convert to fraction form
    398,472.18/597,801.71 = 158,600.60/x
  3. Step 3: Cross multiply
    398,472.18x = 597,801.71 × 158,600.60
  4. Step 4: Simplify right side
    398,472.18x = 94,811,709,887.03
  5. Step 5: Solve for x
    x = 94,811,709,887.03/398,472.18
  6. Step 6: Final answer
    x = 237,938.09

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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.