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Finding the Fourth Proportional to 416,562.60, 574,856.20 and 225,575.92

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Solution

The fourth proportional to 416,562.60, 574,856.20 and 225,575.92 is: 311,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,562.60 : 574,856.20 = 225,575.92 : x
  2. Step 2: Convert to fraction form
    416,562.60/574,856.20 = 225,575.92/x
  3. Step 3: Cross multiply
    416,562.60x = 574,856.20 × 225,575.92
  4. Step 4: Simplify right side
    416,562.60x = 129,673,716,182.70
  5. Step 5: Solve for x
    x = 129,673,716,182.70/416,562.60
  6. Step 6: Final answer
    x = 311,294.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.