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Finding the Fourth Proportional to 485,037.20, 727,426.20 and 169,461.20

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Solution

The fourth proportional to 485,037.20, 727,426.20 and 169,461.20 is: 254,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,037.20 : 727,426.20 = 169,461.20 : x
  2. Step 2: Convert to fraction form
    485,037.20/727,426.20 = 169,461.20/x
  3. Step 3: Cross multiply
    485,037.20x = 727,426.20 × 169,461.20
  4. Step 4: Simplify right side
    485,037.20x = 123,270,516,763.44
  5. Step 5: Solve for x
    x = 123,270,516,763.44/485,037.20
  6. Step 6: Final answer
    x = 254,146.52

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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.