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Finding the Fourth Proportional to 536,218.38, 804,326.76 and 136,865.70

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Solution

The fourth proportional to 536,218.38, 804,326.76 and 136,865.70 is: 205,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,218.38 : 804,326.76 = 136,865.70 : x
  2. Step 2: Convert to fraction form
    536,218.38/804,326.76 = 136,865.70/x
  3. Step 3: Cross multiply
    536,218.38x = 804,326.76 × 136,865.70
  4. Step 4: Simplify right side
    536,218.38x = 110,084,745,036.13
  5. Step 5: Solve for x
    x = 110,084,745,036.13/536,218.38
  6. Step 6: Final answer
    x = 205,298.34

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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.