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Finding the Fourth Proportional to 417,501.87, 626,251.11 and 151,200.19

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Solution

The fourth proportional to 417,501.87, 626,251.11 and 151,200.19 is: 226,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,501.87 : 626,251.11 = 151,200.19 : x
  2. Step 2: Convert to fraction form
    417,501.87/626,251.11 = 151,200.19/x
  3. Step 3: Cross multiply
    417,501.87x = 626,251.11 × 151,200.19
  4. Step 4: Simplify right side
    417,501.87x = 94,689,286,819.71
  5. Step 5: Solve for x
    x = 94,689,286,819.71/417,501.87
  6. Step 6: Final answer
    x = 226,799.67

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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.