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Finding the Fourth Proportional to 526,333, 726,338.28 and 296,889.52

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Solution

The fourth proportional to 526,333, 726,338.28 and 296,889.52 is: 409,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,333 : 726,338.28 = 296,889.52 : x
  2. Step 2: Convert to fraction form
    526,333/726,338.28 = 296,889.52/x
  3. Step 3: Cross multiply
    526,333x = 726,338.28 × 296,889.52
  4. Step 4: Simplify right side
    526,333x = 215,642,223,306.83
  5. Step 5: Solve for x
    x = 215,642,223,306.83/526,333
  6. Step 6: Final answer
    x = 409,706.83

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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.