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Finding the Fourth Proportional to 528,517.35, 792,517.68 and 368,669.88

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Solution

The fourth proportional to 528,517.35, 792,517.68 and 368,669.88 is: 552,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,517.35 : 792,517.68 = 368,669.88 : x
  2. Step 2: Convert to fraction form
    528,517.35/792,517.68 = 368,669.88/x
  3. Step 3: Cross multiply
    528,517.35x = 792,517.68 × 368,669.88
  4. Step 4: Simplify right side
    528,517.35x = 292,177,397,983.48
  5. Step 5: Solve for x
    x = 292,177,397,983.48/528,517.35
  6. Step 6: Final answer
    x = 552,824.61

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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.