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Finding the Fourth Proportional to 650,819.30, 898,134.17 and 360,440.37

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Solution

The fourth proportional to 650,819.30, 898,134.17 and 360,440.37 is: 497,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,819.30 : 898,134.17 = 360,440.37 : x
  2. Step 2: Convert to fraction form
    650,819.30/898,134.17 = 360,440.37/x
  3. Step 3: Cross multiply
    650,819.30x = 898,134.17 × 360,440.37
  4. Step 4: Simplify right side
    650,819.30x = 323,723,810,742.24
  5. Step 5: Solve for x
    x = 323,723,810,742.24/650,819.30
  6. Step 6: Final answer
    x = 497,409.67

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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.