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Finding the Fourth Proportional to 528,842.28, 792,475.68 and 292,252.56

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Solution

The fourth proportional to 528,842.28, 792,475.68 and 292,252.56 is: 437,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,842.28 : 792,475.68 = 292,252.56 : x
  2. Step 2: Convert to fraction form
    528,842.28/792,475.68 = 292,252.56/x
  3. Step 3: Cross multiply
    528,842.28x = 792,475.68 × 292,252.56
  4. Step 4: Simplify right side
    528,842.28x = 231,603,046,217.74
  5. Step 5: Solve for x
    x = 231,603,046,217.74/528,842.28
  6. Step 6: Final answer
    x = 437,943.51

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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.