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Finding the Fourth Proportional to 468,115.20, 701,251.20 and 434,937.60

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Solution

The fourth proportional to 468,115.20, 701,251.20 and 434,937.60 is: 651,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,115.20 : 701,251.20 = 434,937.60 : x
  2. Step 2: Convert to fraction form
    468,115.20/701,251.20 = 434,937.60/x
  3. Step 3: Cross multiply
    468,115.20x = 701,251.20 × 434,937.60
  4. Step 4: Simplify right side
    468,115.20x = 305,000,513,925.12
  5. Step 5: Solve for x
    x = 305,000,513,925.12/468,115.20
  6. Step 6: Final answer
    x = 651,550.12

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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.