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Finding the Fourth Proportional to 568,474.47, 784,447.61 and 323,394.02

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Solution

The fourth proportional to 568,474.47, 784,447.61 and 323,394.02 is: 446,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,474.47 : 784,447.61 = 323,394.02 : x
  2. Step 2: Convert to fraction form
    568,474.47/784,447.61 = 323,394.02/x
  3. Step 3: Cross multiply
    568,474.47x = 784,447.61 × 323,394.02
  4. Step 4: Simplify right side
    568,474.47x = 253,685,663,479.76
  5. Step 5: Solve for x
    x = 253,685,663,479.76/568,474.47
  6. Step 6: Final answer
    x = 446,256.92

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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.