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Finding the Fourth Proportional to 466,851.80, 700,277.70 and 129,891.80

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Solution

The fourth proportional to 466,851.80, 700,277.70 and 129,891.80 is: 194,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,851.80 : 700,277.70 = 129,891.80 : x
  2. Step 2: Convert to fraction form
    466,851.80/700,277.70 = 129,891.80/x
  3. Step 3: Cross multiply
    466,851.80x = 700,277.70 × 129,891.80
  4. Step 4: Simplify right side
    466,851.80x = 90,960,330,952.86
  5. Step 5: Solve for x
    x = 90,960,330,952.86/466,851.80
  6. Step 6: Final answer
    x = 194,837.70

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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.