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Finding the Fourth Proportional to 536,204.61, 804,306.51 and 136,845.45

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Solution

The fourth proportional to 536,204.61, 804,306.51 and 136,845.45 is: 205,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,204.61 : 804,306.51 = 136,845.45 : x
  2. Step 2: Convert to fraction form
    536,204.61/804,306.51 = 136,845.45/x
  3. Step 3: Cross multiply
    536,204.61x = 804,306.51 × 136,845.45
  4. Step 4: Simplify right side
    536,204.61x = 110,065,686,298.88
  5. Step 5: Solve for x
    x = 110,065,686,298.88/536,204.61
  6. Step 6: Final answer
    x = 205,268.07

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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.