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Finding the Fourth Proportional to 334,998.90, 502,390.32 and 110,305.91

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Solution

The fourth proportional to 334,998.90, 502,390.32 and 110,305.91 is: 165,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,998.90 : 502,390.32 = 110,305.91 : x
  2. Step 2: Convert to fraction form
    334,998.90/502,390.32 = 110,305.91/x
  3. Step 3: Cross multiply
    334,998.90x = 502,390.32 × 110,305.91
  4. Step 4: Simplify right side
    334,998.90x = 55,416,622,265.12
  5. Step 5: Solve for x
    x = 55,416,622,265.12/334,998.90
  6. Step 6: Final answer
    x = 165,423.30

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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.