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Finding the Fourth Proportional to 469,265.92, 647,633.92 and 268,092.16

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Solution

The fourth proportional to 469,265.92, 647,633.92 and 268,092.16 is: 369,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,265.92 : 647,633.92 = 268,092.16 : x
  2. Step 2: Convert to fraction form
    469,265.92/647,633.92 = 268,092.16/x
  3. Step 3: Cross multiply
    469,265.92x = 647,633.92 × 268,092.16
  4. Step 4: Simplify right side
    469,265.92x = 173,625,576,502.07
  5. Step 5: Solve for x
    x = 173,625,576,502.07/469,265.92
  6. Step 6: Final answer
    x = 369,994.00

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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.