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Finding the Fourth Proportional to 463,277.28, 639,382.92 and 259,405.92

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Solution

The fourth proportional to 463,277.28, 639,382.92 and 259,405.92 is: 358,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,277.28 : 639,382.92 = 259,405.92 : x
  2. Step 2: Convert to fraction form
    463,277.28/639,382.92 = 259,405.92/x
  3. Step 3: Cross multiply
    463,277.28x = 639,382.92 × 259,405.92
  4. Step 4: Simplify right side
    463,277.28x = 165,859,714,594.89
  5. Step 5: Solve for x
    x = 165,859,714,594.89/463,277.28
  6. Step 6: Final answer
    x = 358,013.92

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1.5x scale

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.