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Finding the Fourth Proportional to 584,766.61, 807,004.78 and 323,158.70

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Solution

The fourth proportional to 584,766.61, 807,004.78 and 323,158.70 is: 445,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,766.61 : 807,004.78 = 323,158.70 : x
  2. Step 2: Convert to fraction form
    584,766.61/807,004.78 = 323,158.70/x
  3. Step 3: Cross multiply
    584,766.61x = 807,004.78 × 323,158.70
  4. Step 4: Simplify right side
    584,766.61x = 260,790,616,808.20
  5. Step 5: Solve for x
    x = 260,790,616,808.20/584,766.61
  6. Step 6: Final answer
    x = 445,973.85

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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.