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Finding the Fourth Proportional to 334,817.66, 502,226.50 and 147,791.90

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Solution

The fourth proportional to 334,817.66, 502,226.50 and 147,791.90 is: 221,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,817.66 : 502,226.50 = 147,791.90 : x
  2. Step 2: Convert to fraction form
    334,817.66/502,226.50 = 147,791.90/x
  3. Step 3: Cross multiply
    334,817.66x = 502,226.50 × 147,791.90
  4. Step 4: Simplify right side
    334,817.66x = 74,225,008,665.35
  5. Step 5: Solve for x
    x = 74,225,008,665.35/334,817.66
  6. Step 6: Final answer
    x = 221,687.85

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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.