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Finding the Fourth Proportional to 474,279.42, 711,366.70 and 119,293.56

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Solution

The fourth proportional to 474,279.42, 711,366.70 and 119,293.56 is: 178,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,279.42 : 711,366.70 = 119,293.56 : x
  2. Step 2: Convert to fraction form
    474,279.42/711,366.70 = 119,293.56/x
  3. Step 3: Cross multiply
    474,279.42x = 711,366.70 × 119,293.56
  4. Step 4: Simplify right side
    474,279.42x = 84,861,466,108.45
  5. Step 5: Solve for x
    x = 84,861,466,108.45/474,279.42
  6. Step 6: Final answer
    x = 178,927.15

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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.