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Finding the Fourth Proportional to 536,321.28, 804,480.96 and 136,962.12

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Solution

The fourth proportional to 536,321.28, 804,480.96 and 136,962.12 is: 205,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,321.28 : 804,480.96 = 136,962.12 : x
  2. Step 2: Convert to fraction form
    536,321.28/804,480.96 = 136,962.12/x
  3. Step 3: Cross multiply
    536,321.28x = 804,480.96 × 136,962.12
  4. Step 4: Simplify right side
    536,321.28x = 110,183,417,781.24
  5. Step 5: Solve for x
    x = 110,183,417,781.24/536,321.28
  6. Step 6: Final answer
    x = 205,442.93

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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.