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Finding the Fourth Proportional to 485,059.77, 727,555.77 and 181,396.14

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Solution

The fourth proportional to 485,059.77, 727,555.77 and 181,396.14 is: 272,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,059.77 : 727,555.77 = 181,396.14 : x
  2. Step 2: Convert to fraction form
    485,059.77/727,555.77 = 181,396.14/x
  3. Step 3: Cross multiply
    485,059.77x = 727,555.77 × 181,396.14
  4. Step 4: Simplify right side
    485,059.77x = 131,975,808,312.73
  5. Step 5: Solve for x
    x = 131,975,808,312.73/485,059.77
  6. Step 6: Final answer
    x = 272,081.54

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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.