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Finding the Fourth Proportional to 324,887.69, 487,414.65 and 125,154.45

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Solution

The fourth proportional to 324,887.69, 487,414.65 and 125,154.45 is: 187,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,887.69 : 487,414.65 = 125,154.45 : x
  2. Step 2: Convert to fraction form
    324,887.69/487,414.65 = 125,154.45/x
  3. Step 3: Cross multiply
    324,887.69x = 487,414.65 × 125,154.45
  4. Step 4: Simplify right side
    324,887.69x = 61,002,112,442.69
  5. Step 5: Solve for x
    x = 61,002,112,442.69/324,887.69
  6. Step 6: Final answer
    x = 187,763.70

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1.5x scale

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.