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Finding the Fourth Proportional to 344,990.38, 517,506.34 and 108,333.08

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Solution

The fourth proportional to 344,990.38, 517,506.34 and 108,333.08 is: 162,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,990.38 : 517,506.34 = 108,333.08 : x
  2. Step 2: Convert to fraction form
    344,990.38/517,506.34 = 108,333.08/x
  3. Step 3: Cross multiply
    344,990.38x = 517,506.34 × 108,333.08
  4. Step 4: Simplify right side
    344,990.38x = 56,063,055,731.73
  5. Step 5: Solve for x
    x = 56,063,055,731.73/344,990.38
  6. Step 6: Final answer
    x = 162,506.14

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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.