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Finding the Fourth Proportional to 323,132.82, 484,717.32 and 98,500.56

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Solution

The fourth proportional to 323,132.82, 484,717.32 and 98,500.56 is: 147,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,132.82 : 484,717.32 = 98,500.56 : x
  2. Step 2: Convert to fraction form
    323,132.82/484,717.32 = 98,500.56/x
  3. Step 3: Cross multiply
    323,132.82x = 484,717.32 × 98,500.56
  4. Step 4: Simplify right side
    323,132.82x = 47,744,927,461.70
  5. Step 5: Solve for x
    x = 47,744,927,461.70/323,132.82
  6. Step 6: Final answer
    x = 147,756.35

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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.