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Finding the Fourth Proportional to 575,086.92, 862,785.66 and 175,716.74

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Solution

The fourth proportional to 575,086.92, 862,785.66 and 175,716.74 is: 263,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,086.92 : 862,785.66 = 175,716.74 : x
  2. Step 2: Convert to fraction form
    575,086.92/862,785.66 = 175,716.74/x
  3. Step 3: Cross multiply
    575,086.92x = 862,785.66 × 175,716.74
  4. Step 4: Simplify right side
    575,086.92x = 151,605,883,493.95
  5. Step 5: Solve for x
    x = 151,605,883,493.95/575,086.92
  6. Step 6: Final answer
    x = 263,622.56

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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.