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Finding the Fourth Proportional to 351,527.82, 527,319.05 and 114,894.42

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Solution

The fourth proportional to 351,527.82, 527,319.05 and 114,894.42 is: 172,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,527.82 : 527,319.05 = 114,894.42 : x
  2. Step 2: Convert to fraction form
    351,527.82/527,319.05 = 114,894.42/x
  3. Step 3: Cross multiply
    351,527.82x = 527,319.05 × 114,894.42
  4. Step 4: Simplify right side
    351,527.82x = 60,586,013,852.78
  5. Step 5: Solve for x
    x = 60,586,013,852.78/351,527.82
  6. Step 6: Final answer
    x = 172,350.55

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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.