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Finding the Fourth Proportional to 296,576.60, 444,821.70 and 86,192.60

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Solution

The fourth proportional to 296,576.60, 444,821.70 and 86,192.60 is: 129,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,576.60 : 444,821.70 = 86,192.60 : x
  2. Step 2: Convert to fraction form
    296,576.60/444,821.70 = 86,192.60/x
  3. Step 3: Cross multiply
    296,576.60x = 444,821.70 × 86,192.60
  4. Step 4: Simplify right side
    296,576.60x = 38,340,338,859.42
  5. Step 5: Solve for x
    x = 38,340,338,859.42/296,576.60
  6. Step 6: Final answer
    x = 129,276.34

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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.