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Finding the Fourth Proportional to 474,901.59, 711,221.61 and 274,800.27

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Solution

The fourth proportional to 474,901.59, 711,221.61 and 274,800.27 is: 411,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,901.59 : 711,221.61 = 274,800.27 : x
  2. Step 2: Convert to fraction form
    474,901.59/711,221.61 = 274,800.27/x
  3. Step 3: Cross multiply
    474,901.59x = 711,221.61 × 274,800.27
  4. Step 4: Simplify right side
    474,901.59x = 195,443,890,457.84
  5. Step 5: Solve for x
    x = 195,443,890,457.84/474,901.59
  6. Step 6: Final answer
    x = 411,546.09

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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.