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Finding the Fourth Proportional to 296,575.20, 444,862.80 and 279,079.20

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Solution

The fourth proportional to 296,575.20, 444,862.80 and 279,079.20 is: 418,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,575.20 : 444,862.80 = 279,079.20 : x
  2. Step 2: Convert to fraction form
    296,575.20/444,862.80 = 279,079.20/x
  3. Step 3: Cross multiply
    296,575.20x = 444,862.80 × 279,079.20
  4. Step 4: Simplify right side
    296,575.20x = 124,151,954,333.76
  5. Step 5: Solve for x
    x = 124,151,954,333.76/296,575.20
  6. Step 6: Final answer
    x = 418,618.80

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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.