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Finding the Fourth Proportional to 567,134.40, 850,701.60 and 425,416.80

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Solution

The fourth proportional to 567,134.40, 850,701.60 and 425,416.80 is: 638,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,134.40 : 850,701.60 = 425,416.80 : x
  2. Step 2: Convert to fraction form
    567,134.40/850,701.60 = 425,416.80/x
  3. Step 3: Cross multiply
    567,134.40x = 850,701.60 × 425,416.80
  4. Step 4: Simplify right side
    567,134.40x = 361,902,752,426.88
  5. Step 5: Solve for x
    x = 361,902,752,426.88/567,134.40
  6. Step 6: Final answer
    x = 638,125.20

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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.