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Finding the Fourth Proportional to 468,729.90, 703,112.13 and 240,964.47

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Solution

The fourth proportional to 468,729.90, 703,112.13 and 240,964.47 is: 361,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,729.90 : 703,112.13 = 240,964.47 : x
  2. Step 2: Convert to fraction form
    468,729.90/703,112.13 = 240,964.47/x
  3. Step 3: Cross multiply
    468,729.90x = 703,112.13 × 240,964.47
  4. Step 4: Simplify right side
    468,729.90x = 169,425,041,756.02
  5. Step 5: Solve for x
    x = 169,425,041,756.02/468,729.90
  6. Step 6: Final answer
    x = 361,455.59

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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.