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Finding the Fourth Proportional to 441,697.14, 662,678.70 and 157,350.55

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Solution

The fourth proportional to 441,697.14, 662,678.70 and 157,350.55 is: 236,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,697.14 : 662,678.70 = 157,350.55 : x
  2. Step 2: Convert to fraction form
    441,697.14/662,678.70 = 157,350.55/x
  3. Step 3: Cross multiply
    441,697.14x = 662,678.70 × 157,350.55
  4. Step 4: Simplify right side
    441,697.14x = 104,272,857,918.29
  5. Step 5: Solve for x
    x = 104,272,857,918.29/441,697.14
  6. Step 6: Final answer
    x = 236,073.20

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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.