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Finding the Fourth Proportional to 536,390.28, 804,572.88 and 270,079.26

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Solution

The fourth proportional to 536,390.28, 804,572.88 and 270,079.26 is: 405,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,390.28 : 804,572.88 = 270,079.26 : x
  2. Step 2: Convert to fraction form
    536,390.28/804,572.88 = 270,079.26/x
  3. Step 3: Cross multiply
    536,390.28x = 804,572.88 × 270,079.26
  4. Step 4: Simplify right side
    536,390.28x = 217,298,448,046.47
  5. Step 5: Solve for x
    x = 217,298,448,046.47/536,390.28
  6. Step 6: Final answer
    x = 405,112.58

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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.