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Finding the Fourth Proportional to 324,701.53, 487,098.05 and 100,080.13

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Solution

The fourth proportional to 324,701.53, 487,098.05 and 100,080.13 is: 150,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,701.53 : 487,098.05 = 100,080.13 : x
  2. Step 2: Convert to fraction form
    324,701.53/487,098.05 = 100,080.13/x
  3. Step 3: Cross multiply
    324,701.53x = 487,098.05 × 100,080.13
  4. Step 4: Simplify right side
    324,701.53x = 48,748,835,666.35
  5. Step 5: Solve for x
    x = 48,748,835,666.35/324,701.53
  6. Step 6: Final answer
    x = 150,134.30

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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.