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Finding the Fourth Proportional to 457,162.60, 630,959.14 and 273,389.16

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Solution

The fourth proportional to 457,162.60, 630,959.14 and 273,389.16 is: 377,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,162.60 : 630,959.14 = 273,389.16 : x
  2. Step 2: Convert to fraction form
    457,162.60/630,959.14 = 273,389.16/x
  3. Step 3: Cross multiply
    457,162.60x = 630,959.14 × 273,389.16
  4. Step 4: Simplify right side
    457,162.60x = 172,497,389,278.92
  5. Step 5: Solve for x
    x = 172,497,389,278.92/457,162.60
  6. Step 6: Final answer
    x = 377,321.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.