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Finding the Fourth Proportional to 438,475.52, 605,096.32 and 237,272.32

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Solution

The fourth proportional to 438,475.52, 605,096.32 and 237,272.32 is: 327,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,475.52 : 605,096.32 = 237,272.32 : x
  2. Step 2: Convert to fraction form
    438,475.52/605,096.32 = 237,272.32/x
  3. Step 3: Cross multiply
    438,475.52x = 605,096.32 × 237,272.32
  4. Step 4: Simplify right side
    438,475.52x = 143,572,607,669.86
  5. Step 5: Solve for x
    x = 143,572,607,669.86/438,475.52
  6. Step 6: Final answer
    x = 327,435.86

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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.