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Finding the Fourth Proportional to 565,007.28, 847,330.80 and 185,841.36

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Solution

The fourth proportional to 565,007.28, 847,330.80 and 185,841.36 is: 278,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,007.28 : 847,330.80 = 185,841.36 : x
  2. Step 2: Convert to fraction form
    565,007.28/847,330.80 = 185,841.36/x
  3. Step 3: Cross multiply
    565,007.28x = 847,330.80 × 185,841.36
  4. Step 4: Simplify right side
    565,007.28x = 157,469,108,241.89
  5. Step 5: Solve for x
    x = 157,469,108,241.89/565,007.28
  6. Step 6: Final answer
    x = 278,702.80

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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.