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Finding the Fourth Proportional to 485,093.40, 727,467.30 and 169,560.60

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Solution

The fourth proportional to 485,093.40, 727,467.30 and 169,560.60 is: 254,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,093.40 : 727,467.30 = 169,560.60 : x
  2. Step 2: Convert to fraction form
    485,093.40/727,467.30 = 169,560.60/x
  3. Step 3: Cross multiply
    485,093.40x = 727,467.30 × 169,560.60
  4. Step 4: Simplify right side
    485,093.40x = 123,349,791,868.38
  5. Step 5: Solve for x
    x = 123,349,791,868.38/485,093.40
  6. Step 6: Final answer
    x = 254,280.50

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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.