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Finding the Fourth Proportional to 474,270.56, 711,353.45 and 119,284.72

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Solution

The fourth proportional to 474,270.56, 711,353.45 and 119,284.72 is: 178,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,270.56 : 711,353.45 = 119,284.72 : x
  2. Step 2: Convert to fraction form
    474,270.56/711,353.45 = 119,284.72/x
  3. Step 3: Cross multiply
    474,270.56x = 711,353.45 × 119,284.72
  4. Step 4: Simplify right side
    474,270.56x = 84,853,597,397.05
  5. Step 5: Solve for x
    x = 84,853,597,397.05/474,270.56
  6. Step 6: Final answer
    x = 178,913.90

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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.