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Finding the Fourth Proportional to 485,094.40, 727,468.80 and 169,561.60

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Solution

The fourth proportional to 485,094.40, 727,468.80 and 169,561.60 is: 254,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,094.40 : 727,468.80 = 169,561.60 : x
  2. Step 2: Convert to fraction form
    485,094.40/727,468.80 = 169,561.60/x
  3. Step 3: Cross multiply
    485,094.40x = 727,468.80 × 169,561.60
  4. Step 4: Simplify right side
    485,094.40x = 123,350,773,678.08
  5. Step 5: Solve for x
    x = 123,350,773,678.08/485,094.40
  6. Step 6: Final answer
    x = 254,282.00

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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.