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Finding the Fourth Proportional to 587,717.76, 881,586.34 and 255,293.76

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Solution

The fourth proportional to 587,717.76, 881,586.34 and 255,293.76 is: 382,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,717.76 : 881,586.34 = 255,293.76 : x
  2. Step 2: Convert to fraction form
    587,717.76/881,586.34 = 255,293.76/x
  3. Step 3: Cross multiply
    587,717.76x = 881,586.34 × 255,293.76
  4. Step 4: Simplify right side
    587,717.76x = 225,063,491,503.24
  5. Step 5: Solve for x
    x = 225,063,491,503.24/587,717.76
  6. Step 6: Final answer
    x = 382,944.85

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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.