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Finding the Fourth Proportional to 504,003.20, 755,227.20 and 437,129.60

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Solution

The fourth proportional to 504,003.20, 755,227.20 and 437,129.60 is: 655,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,003.20 : 755,227.20 = 437,129.60 : x
  2. Step 2: Convert to fraction form
    504,003.20/755,227.20 = 437,129.60/x
  3. Step 3: Cross multiply
    504,003.20x = 755,227.20 × 437,129.60
  4. Step 4: Simplify right side
    504,003.20x = 330,132,163,845.12
  5. Step 5: Solve for x
    x = 330,132,163,845.12/504,003.20
  6. Step 6: Final answer
    x = 655,019.98

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1.5x scale

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.