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Finding the Fourth Proportional to 268,276.80, 402,415.20 and 224,974.20

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Solution

The fourth proportional to 268,276.80, 402,415.20 and 224,974.20 is: 337,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,276.80 : 402,415.20 = 224,974.20 : x
  2. Step 2: Convert to fraction form
    268,276.80/402,415.20 = 224,974.20/x
  3. Step 3: Cross multiply
    268,276.80x = 402,415.20 × 224,974.20
  4. Step 4: Simplify right side
    268,276.80x = 90,533,037,687.84
  5. Step 5: Solve for x
    x = 90,533,037,687.84/268,276.80
  6. Step 6: Final answer
    x = 337,461.30

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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.