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Finding the Fourth Proportional to 577,366.64, 866,050.38 and 156,642.48

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Solution

The fourth proportional to 577,366.64, 866,050.38 and 156,642.48 is: 234,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,366.64 : 866,050.38 = 156,642.48 : x
  2. Step 2: Convert to fraction form
    577,366.64/866,050.38 = 156,642.48/x
  3. Step 3: Cross multiply
    577,366.64x = 866,050.38 × 156,642.48
  4. Step 4: Simplify right side
    577,366.64x = 135,660,279,328.14
  5. Step 5: Solve for x
    x = 135,660,279,328.14/577,366.64
  6. Step 6: Final answer
    x = 234,963.83

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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.