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Finding the Fourth Proportional to 555,917.64, 833,896.50 and 156,593.31

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Solution

The fourth proportional to 555,917.64, 833,896.50 and 156,593.31 is: 234,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,917.64 : 833,896.50 = 156,593.31 : x
  2. Step 2: Convert to fraction form
    555,917.64/833,896.50 = 156,593.31/x
  3. Step 3: Cross multiply
    555,917.64x = 833,896.50 × 156,593.31
  4. Step 4: Simplify right side
    555,917.64x = 130,582,613,132.42
  5. Step 5: Solve for x
    x = 130,582,613,132.42/555,917.64
  6. Step 6: Final answer
    x = 234,895.61

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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.