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Finding the Fourth Proportional to 296,083.80, 444,125.70 and 221,434.20

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Solution

The fourth proportional to 296,083.80, 444,125.70 and 221,434.20 is: 332,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,083.80 : 444,125.70 = 221,434.20 : x
  2. Step 2: Convert to fraction form
    296,083.80/444,125.70 = 221,434.20/x
  3. Step 3: Cross multiply
    296,083.80x = 444,125.70 × 221,434.20
  4. Step 4: Simplify right side
    296,083.80x = 98,344,619,078.94
  5. Step 5: Solve for x
    x = 98,344,619,078.94/296,083.80
  6. Step 6: Final answer
    x = 332,151.30

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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.