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Finding the Fourth Proportional to 568,470.96, 784,442.82 and 323,390.52

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Solution

The fourth proportional to 568,470.96, 784,442.82 and 323,390.52 is: 446,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,470.96 : 784,442.82 = 323,390.52 : x
  2. Step 2: Convert to fraction form
    568,470.96/784,442.82 = 323,390.52/x
  3. Step 3: Cross multiply
    568,470.96x = 784,442.82 × 323,390.52
  4. Step 4: Simplify right side
    568,470.96x = 253,681,371,470.07
  5. Step 5: Solve for x
    x = 253,681,371,470.07/568,470.96
  6. Step 6: Final answer
    x = 446,252.12

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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.