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Finding the Fourth Proportional to 474,775.51, 711,934.84 and 159,011.59

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Solution

The fourth proportional to 474,775.51, 711,934.84 and 159,011.59 is: 238,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,775.51 : 711,934.84 = 159,011.59 : x
  2. Step 2: Convert to fraction form
    474,775.51/711,934.84 = 159,011.59/x
  3. Step 3: Cross multiply
    474,775.51x = 711,934.84 × 159,011.59
  4. Step 4: Simplify right side
    474,775.51x = 113,205,890,884.80
  5. Step 5: Solve for x
    x = 113,205,890,884.80/474,775.51
  6. Step 6: Final answer
    x = 238,440.88

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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.