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Finding the Fourth Proportional to 412,453.52, 569,282.28 and 268,963.64

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Solution

The fourth proportional to 412,453.52, 569,282.28 and 268,963.64 is: 371,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,453.52 : 569,282.28 = 268,963.64 : x
  2. Step 2: Convert to fraction form
    412,453.52/569,282.28 = 268,963.64/x
  3. Step 3: Cross multiply
    412,453.52x = 569,282.28 × 268,963.64
  4. Step 4: Simplify right side
    412,453.52x = 153,116,234,216.30
  5. Step 5: Solve for x
    x = 153,116,234,216.30/412,453.52
  6. Step 6: Final answer
    x = 371,232.70

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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.