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Finding the Fourth Proportional to 519,206.52, 779,159.70 and 234,974.28

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Solution

The fourth proportional to 519,206.52, 779,159.70 and 234,974.28 is: 352,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,206.52 : 779,159.70 = 234,974.28 : x
  2. Step 2: Convert to fraction form
    519,206.52/779,159.70 = 234,974.28/x
  3. Step 3: Cross multiply
    519,206.52x = 779,159.70 × 234,974.28
  4. Step 4: Simplify right side
    519,206.52x = 183,082,489,512.52
  5. Step 5: Solve for x
    x = 183,082,489,512.52/519,206.52
  6. Step 6: Final answer
    x = 352,619.78

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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.