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Finding the Fourth Proportional to 568,659.52, 784,755.52 and 314,005.12

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Solution

The fourth proportional to 568,659.52, 784,755.52 and 314,005.12 is: 433,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,659.52 : 784,755.52 = 314,005.12 : x
  2. Step 2: Convert to fraction form
    568,659.52/784,755.52 = 314,005.12/x
  3. Step 3: Cross multiply
    568,659.52x = 784,755.52 × 314,005.12
  4. Step 4: Simplify right side
    568,659.52x = 246,417,251,228.26
  5. Step 5: Solve for x
    x = 246,417,251,228.26/568,659.52
  6. Step 6: Final answer
    x = 433,330.04

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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.