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Finding the Fourth Proportional to 474,472.73, 711,709.10 and 193,924.37

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Solution

The fourth proportional to 474,472.73, 711,709.10 and 193,924.37 is: 290,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,472.73 : 711,709.10 = 193,924.37 : x
  2. Step 2: Convert to fraction form
    474,472.73/711,709.10 = 193,924.37/x
  3. Step 3: Cross multiply
    474,472.73x = 711,709.10 × 193,924.37
  4. Step 4: Simplify right side
    474,472.73x = 138,017,734,312.60
  5. Step 5: Solve for x
    x = 138,017,734,312.60/474,472.73
  6. Step 6: Final answer
    x = 290,886.55

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Similar ratio
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1.5x scale

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.