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Finding the Fourth Proportional to 437,592.60, 656,388.90 and 372,274.20

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Solution

The fourth proportional to 437,592.60, 656,388.90 and 372,274.20 is: 558,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,592.60 : 656,388.90 = 372,274.20 : x
  2. Step 2: Convert to fraction form
    437,592.60/656,388.90 = 372,274.20/x
  3. Step 3: Cross multiply
    437,592.60x = 656,388.90 × 372,274.20
  4. Step 4: Simplify right side
    437,592.60x = 244,356,652,636.38
  5. Step 5: Solve for x
    x = 244,356,652,636.38/437,592.60
  6. Step 6: Final answer
    x = 558,411.30

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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.