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Finding the Fourth Proportional to 474,275.91, 711,361.46 and 119,290.07

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Solution

The fourth proportional to 474,275.91, 711,361.46 and 119,290.07 is: 178,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,275.91 : 711,361.46 = 119,290.07 : x
  2. Step 2: Convert to fraction form
    474,275.91/711,361.46 = 119,290.07/x
  3. Step 3: Cross multiply
    474,275.91x = 711,361.46 × 119,290.07
  4. Step 4: Simplify right side
    474,275.91x = 84,858,355,100.12
  5. Step 5: Solve for x
    x = 84,858,355,100.12/474,275.91
  6. Step 6: Final answer
    x = 178,921.92

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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.