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Finding the Fourth Proportional to 438,553.76, 605,204.24 and 237,349.76

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Solution

The fourth proportional to 438,553.76, 605,204.24 and 237,349.76 is: 327,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,553.76 : 605,204.24 = 237,349.76 : x
  2. Step 2: Convert to fraction form
    438,553.76/605,204.24 = 237,349.76/x
  3. Step 3: Cross multiply
    438,553.76x = 605,204.24 × 237,349.76
  4. Step 4: Simplify right side
    438,553.76x = 143,645,076,902.21
  5. Step 5: Solve for x
    x = 143,645,076,902.21/438,553.76
  6. Step 6: Final answer
    x = 327,542.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.