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Finding the Fourth Proportional to 353,454.30, 530,181.45 and 314,747.10

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Solution

The fourth proportional to 353,454.30, 530,181.45 and 314,747.10 is: 472,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,454.30 : 530,181.45 = 314,747.10 : x
  2. Step 2: Convert to fraction form
    353,454.30/530,181.45 = 314,747.10/x
  3. Step 3: Cross multiply
    353,454.30x = 530,181.45 × 314,747.10
  4. Step 4: Simplify right side
    353,454.30x = 166,873,073,861.30
  5. Step 5: Solve for x
    x = 166,873,073,861.30/353,454.30
  6. Step 6: Final answer
    x = 472,120.65

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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.