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Finding the Fourth Proportional to 474,315.88, 711,421.24 and 119,329.96

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Solution

The fourth proportional to 474,315.88, 711,421.24 and 119,329.96 is: 178,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,315.88 : 711,421.24 = 119,329.96 : x
  2. Step 2: Convert to fraction form
    474,315.88/711,421.24 = 119,329.96/x
  3. Step 3: Cross multiply
    474,315.88x = 711,421.24 × 119,329.96
  4. Step 4: Simplify right side
    474,315.88x = 84,893,868,112.35
  5. Step 5: Solve for x
    x = 84,893,868,112.35/474,315.88
  6. Step 6: Final answer
    x = 178,981.71

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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.