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Finding the Fourth Proportional to 528,760.61, 792,178.64 and 472,073.57

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Solution

The fourth proportional to 528,760.61, 792,178.64 and 472,073.57 is: 707,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,760.61 : 792,178.64 = 472,073.57 : x
  2. Step 2: Convert to fraction form
    528,760.61/792,178.64 = 472,073.57/x
  3. Step 3: Cross multiply
    528,760.61x = 792,178.64 × 472,073.57
  4. Step 4: Simplify right side
    528,760.61x = 373,966,598,282.62
  5. Step 5: Solve for x
    x = 373,966,598,282.62/528,760.61
  6. Step 6: Final answer
    x = 707,251.24

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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.