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Finding the Fourth Proportional to 335,814.10, 503,721.15 and 310,153.30

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Solution

The fourth proportional to 335,814.10, 503,721.15 and 310,153.30 is: 465,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,814.10 : 503,721.15 = 310,153.30 : x
  2. Step 2: Convert to fraction form
    335,814.10/503,721.15 = 310,153.30/x
  3. Step 3: Cross multiply
    335,814.10x = 503,721.15 × 310,153.30
  4. Step 4: Simplify right side
    335,814.10x = 156,230,776,952.30
  5. Step 5: Solve for x
    x = 156,230,776,952.30/335,814.10
  6. Step 6: Final answer
    x = 465,229.95

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Similar ratio
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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.