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Finding the Fourth Proportional to 296,602.62, 444,947.31 and 86,213.22

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Solution

The fourth proportional to 296,602.62, 444,947.31 and 86,213.22 is: 129,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,602.62 : 444,947.31 = 86,213.22 : x
  2. Step 2: Convert to fraction form
    296,602.62/444,947.31 = 86,213.22/x
  3. Step 3: Cross multiply
    296,602.62x = 444,947.31 × 86,213.22
  4. Step 4: Simplify right side
    296,602.62x = 38,360,340,325.44
  5. Step 5: Solve for x
    x = 38,360,340,325.44/296,602.62
  6. Step 6: Final answer
    x = 129,332.44

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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.