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Finding the Fourth Proportional to 532,027.20, 798,041.72 and 426,084.98

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Solution

The fourth proportional to 532,027.20, 798,041.72 and 426,084.98 is: 639,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,027.20 : 798,041.72 = 426,084.98 : x
  2. Step 2: Convert to fraction form
    532,027.20/798,041.72 = 426,084.98/x
  3. Step 3: Cross multiply
    532,027.20x = 798,041.72 × 426,084.98
  4. Step 4: Simplify right side
    532,027.20x = 340,033,584,184.73
  5. Step 5: Solve for x
    x = 340,033,584,184.73/532,027.20
  6. Step 6: Final answer
    x = 639,128.20

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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.