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Finding the Fourth Proportional to 324,677.30, 487,094.76 and 100,037.72

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Solution

The fourth proportional to 324,677.30, 487,094.76 and 100,037.72 is: 150,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,677.30 : 487,094.76 = 100,037.72 : x
  2. Step 2: Convert to fraction form
    324,677.30/487,094.76 = 100,037.72/x
  3. Step 3: Cross multiply
    324,677.30x = 487,094.76 × 100,037.72
  4. Step 4: Simplify right side
    324,677.30x = 48,727,850,432.08
  5. Step 5: Solve for x
    x = 48,727,850,432.08/324,677.30
  6. Step 6: Final answer
    x = 150,080.87

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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.