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Finding the Fourth Proportional to 568,301.64, 784,252.40 and 313,652.82

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Solution

The fourth proportional to 568,301.64, 784,252.40 and 313,652.82 is: 432,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,301.64 : 784,252.40 = 313,652.82 : x
  2. Step 2: Convert to fraction form
    568,301.64/784,252.40 = 313,652.82/x
  3. Step 3: Cross multiply
    568,301.64x = 784,252.40 × 313,652.82
  4. Step 4: Simplify right side
    568,301.64x = 245,982,976,851.77
  5. Step 5: Solve for x
    x = 245,982,976,851.77/568,301.64
  6. Step 6: Final answer
    x = 432,838.76

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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.