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Finding the Fourth Proportional to 297,536.68, 446,246.70 and 87,118.12

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Solution

The fourth proportional to 297,536.68, 446,246.70 and 87,118.12 is: 130,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,536.68 : 446,246.70 = 87,118.12 : x
  2. Step 2: Convert to fraction form
    297,536.68/446,246.70 = 87,118.12/x
  3. Step 3: Cross multiply
    297,536.68x = 446,246.70 × 87,118.12
  4. Step 4: Simplify right side
    297,536.68x = 38,876,173,560.20
  5. Step 5: Solve for x
    x = 38,876,173,560.20/297,536.68
  6. Step 6: Final answer
    x = 130,660.10

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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.