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Finding the Fourth Proportional to 504,014.60, 755,147.10 and 472,521.80

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Solution

The fourth proportional to 504,014.60, 755,147.10 and 472,521.80 is: 707,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,014.60 : 755,147.10 = 472,521.80 : x
  2. Step 2: Convert to fraction form
    504,014.60/755,147.10 = 472,521.80/x
  3. Step 3: Cross multiply
    504,014.60x = 755,147.10 × 472,521.80
  4. Step 4: Simplify right side
    504,014.60x = 356,823,466,956.78
  5. Step 5: Solve for x
    x = 356,823,466,956.78/504,014.60
  6. Step 6: Final answer
    x = 707,962.56

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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.