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Finding the Fourth Proportional to 526,367.95, 726,458.85 and 296,972.31

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Solution

The fourth proportional to 526,367.95, 726,458.85 and 296,972.31 is: 409,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,367.95 : 726,458.85 = 296,972.31 : x
  2. Step 2: Convert to fraction form
    526,367.95/726,458.85 = 296,972.31/x
  3. Step 3: Cross multiply
    526,367.95x = 726,458.85 × 296,972.31
  4. Step 4: Simplify right side
    526,367.95x = 215,738,162,277.57
  5. Step 5: Solve for x
    x = 215,738,162,277.57/526,367.95
  6. Step 6: Final answer
    x = 409,861.89

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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.