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Finding the Fourth Proportional to 463,337.84, 639,398.07 and 256,601.95

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Solution

The fourth proportional to 463,337.84, 639,398.07 and 256,601.95 is: 354,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,337.84 : 639,398.07 = 256,601.95 : x
  2. Step 2: Convert to fraction form
    463,337.84/639,398.07 = 256,601.95/x
  3. Step 3: Cross multiply
    463,337.84x = 639,398.07 × 256,601.95
  4. Step 4: Simplify right side
    463,337.84x = 164,070,789,989.74
  5. Step 5: Solve for x
    x = 164,070,789,989.74/463,337.84
  6. Step 6: Final answer
    x = 354,106.17

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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.