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Finding the Fourth Proportional to 474,300.52, 711,452 and 193,817.77

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Solution

The fourth proportional to 474,300.52, 711,452 and 193,817.77 is: 290,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,300.52 : 711,452 = 193,817.77 : x
  2. Step 2: Convert to fraction form
    474,300.52/711,452 = 193,817.77/x
  3. Step 3: Cross multiply
    474,300.52x = 711,452 × 193,817.77
  4. Step 4: Simplify right side
    474,300.52x = 137,892,040,102.04
  5. Step 5: Solve for x
    x = 137,892,040,102.04/474,300.52
  6. Step 6: Final answer
    x = 290,727.15

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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.