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Finding the Fourth Proportional to 575,520.05, 863,132.76 and 170,617.57

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Solution

The fourth proportional to 575,520.05, 863,132.76 and 170,617.57 is: 255,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,520.05 : 863,132.76 = 170,617.57 : x
  2. Step 2: Convert to fraction form
    575,520.05/863,132.76 = 170,617.57/x
  3. Step 3: Cross multiply
    575,520.05x = 863,132.76 × 170,617.57
  4. Step 4: Simplify right side
    575,520.05x = 147,265,614,098.59
  5. Step 5: Solve for x
    x = 147,265,614,098.59/575,520.05
  6. Step 6: Final answer
    x = 255,882.68

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Similar ratio
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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.