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Finding the Fourth Proportional to 508,452.46, 701,662.46 and 279,013.57

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Solution

The fourth proportional to 508,452.46, 701,662.46 and 279,013.57 is: 385,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,452.46 : 701,662.46 = 279,013.57 : x
  2. Step 2: Convert to fraction form
    508,452.46/701,662.46 = 279,013.57/x
  3. Step 3: Cross multiply
    508,452.46x = 701,662.46 × 279,013.57
  4. Step 4: Simplify right side
    508,452.46x = 195,773,344,750.36
  5. Step 5: Solve for x
    x = 195,773,344,750.36/508,452.46
  6. Step 6: Final answer
    x = 385,037.66

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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.