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Finding the Fourth Proportional to 564,849.60, 847,007.10 and 328,264.80

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Solution

The fourth proportional to 564,849.60, 847,007.10 and 328,264.80 is: 492,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,849.60 : 847,007.10 = 328,264.80 : x
  2. Step 2: Convert to fraction form
    564,849.60/847,007.10 = 328,264.80/x
  3. Step 3: Cross multiply
    564,849.60x = 847,007.10 × 328,264.80
  4. Step 4: Simplify right side
    564,849.60x = 278,042,616,280.08
  5. Step 5: Solve for x
    x = 278,042,616,280.08/564,849.60
  6. Step 6: Final answer
    x = 492,241.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.