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Finding the Fourth Proportional to 504,006.20, 755,231.70 and 437,132.60

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Solution

The fourth proportional to 504,006.20, 755,231.70 and 437,132.60 is: 655,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,006.20 : 755,231.70 = 437,132.60 : x
  2. Step 2: Convert to fraction form
    504,006.20/755,231.70 = 437,132.60/x
  3. Step 3: Cross multiply
    504,006.20x = 755,231.70 × 437,132.60
  4. Step 4: Simplify right side
    504,006.20x = 330,136,396,623.42
  5. Step 5: Solve for x
    x = 330,136,396,623.42/504,006.20
  6. Step 6: Final answer
    x = 655,024.48

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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.