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Finding the Fourth Proportional to 353,657.27, 530,523.66 and 151,274.31

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Solution

The fourth proportional to 353,657.27, 530,523.66 and 151,274.31 is: 226,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,657.27 : 530,523.66 = 151,274.31 : x
  2. Step 2: Convert to fraction form
    353,657.27/530,523.66 = 151,274.31/x
  3. Step 3: Cross multiply
    353,657.27x = 530,523.66 × 151,274.31
  4. Step 4: Simplify right side
    353,657.27x = 80,254,600,605.17
  5. Step 5: Solve for x
    x = 80,254,600,605.17/353,657.27
  6. Step 6: Final answer
    x = 226,927.62

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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.