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Finding the Fourth Proportional to 474,234.60, 711,092.70 and 193,434.60

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Solution

The fourth proportional to 474,234.60, 711,092.70 and 193,434.60 is: 290,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,234.60 : 711,092.70 = 193,434.60 : x
  2. Step 2: Convert to fraction form
    474,234.60/711,092.70 = 193,434.60/x
  3. Step 3: Cross multiply
    474,234.60x = 711,092.70 × 193,434.60
  4. Step 4: Simplify right side
    474,234.60x = 137,549,931,987.42
  5. Step 5: Solve for x
    x = 137,549,931,987.42/474,234.60
  6. Step 6: Final answer
    x = 290,046.18

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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.