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Finding the Fourth Proportional to 579,761.28, 869,633.28 and 200,957.76

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Solution

The fourth proportional to 579,761.28, 869,633.28 and 200,957.76 is: 301,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,761.28 : 869,633.28 = 200,957.76 : x
  2. Step 2: Convert to fraction form
    579,761.28/869,633.28 = 200,957.76/x
  3. Step 3: Cross multiply
    579,761.28x = 869,633.28 × 200,957.76
  4. Step 4: Simplify right side
    579,761.28x = 174,759,555,970.25
  5. Step 5: Solve for x
    x = 174,759,555,970.25/579,761.28
  6. Step 6: Final answer
    x = 301,433.65

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1.5x scale

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.