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Finding the Fourth Proportional to 438,232.78, 604,761.24 and 237,028.78

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Solution

The fourth proportional to 438,232.78, 604,761.24 and 237,028.78 is: 327,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,232.78 : 604,761.24 = 237,028.78 : x
  2. Step 2: Convert to fraction form
    438,232.78/604,761.24 = 237,028.78/x
  3. Step 3: Cross multiply
    438,232.78x = 604,761.24 × 237,028.78
  4. Step 4: Simplify right side
    438,232.78x = 143,345,818,908.49
  5. Step 5: Solve for x
    x = 143,345,818,908.49/438,232.78
  6. Step 6: Final answer
    x = 327,099.72

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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.