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Finding the Fourth Proportional to 474,279.66, 711,367.08 and 119,293.82

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Solution

The fourth proportional to 474,279.66, 711,367.08 and 119,293.82 is: 178,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,279.66 : 711,367.08 = 119,293.82 : x
  2. Step 2: Convert to fraction form
    474,279.66/711,367.08 = 119,293.82/x
  3. Step 3: Cross multiply
    474,279.66x = 711,367.08 × 119,293.82
  4. Step 4: Simplify right side
    474,279.66x = 84,861,696,395.45
  5. Step 5: Solve for x
    x = 84,861,696,395.45/474,279.66
  6. Step 6: Final answer
    x = 178,927.55

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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.