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Finding the Fourth Proportional to 323,034.12, 484,017.99 and 187,718.34

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Solution

The fourth proportional to 323,034.12, 484,017.99 and 187,718.34 is: 281,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,034.12 : 484,017.99 = 187,718.34 : x
  2. Step 2: Convert to fraction form
    323,034.12/484,017.99 = 187,718.34/x
  3. Step 3: Cross multiply
    323,034.12x = 484,017.99 × 187,718.34
  4. Step 4: Simplify right side
    323,034.12x = 90,859,053,612.94
  5. Step 5: Solve for x
    x = 90,859,053,612.94/323,034.12
  6. Step 6: Final answer
    x = 281,267.67

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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.