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Finding the Fourth Proportional to 402,278.60, 603,806.70 and 244,814.60

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Solution

The fourth proportional to 402,278.60, 603,806.70 and 244,814.60 is: 367,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,278.60 : 603,806.70 = 244,814.60 : x
  2. Step 2: Convert to fraction form
    402,278.60/603,806.70 = 244,814.60/x
  3. Step 3: Cross multiply
    402,278.60x = 603,806.70 × 244,814.60
  4. Step 4: Simplify right side
    402,278.60x = 147,820,695,737.82
  5. Step 5: Solve for x
    x = 147,820,695,737.82/402,278.60
  6. Step 6: Final answer
    x = 367,458.51

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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.