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Finding the Fourth Proportional to 528,760.86, 792,179.01 and 472,073.82

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Solution

The fourth proportional to 528,760.86, 792,179.01 and 472,073.82 is: 707,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,760.86 : 792,179.01 = 472,073.82 : x
  2. Step 2: Convert to fraction form
    528,760.86/792,179.01 = 472,073.82/x
  3. Step 3: Cross multiply
    528,760.86x = 792,179.01 × 472,073.82
  4. Step 4: Simplify right side
    528,760.86x = 373,966,971,374.52
  5. Step 5: Solve for x
    x = 373,966,971,374.52/528,760.86
  6. Step 6: Final answer
    x = 707,251.61

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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.