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Finding the Fourth Proportional to 536,590.30, 804,593.85 and 221,079.10

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Solution

The fourth proportional to 536,590.30, 804,593.85 and 221,079.10 is: 331,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,590.30 : 804,593.85 = 221,079.10 : x
  2. Step 2: Convert to fraction form
    536,590.30/804,593.85 = 221,079.10/x
  3. Step 3: Cross multiply
    536,590.30x = 804,593.85 × 221,079.10
  4. Step 4: Simplify right side
    536,590.30x = 177,878,884,223.54
  5. Step 5: Solve for x
    x = 177,878,884,223.54/536,590.30
  6. Step 6: Final answer
    x = 331,498.51

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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.