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Finding the Fourth Proportional to 322,458.76, 483,689.28 and 97,821.13

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Solution

The fourth proportional to 322,458.76, 483,689.28 and 97,821.13 is: 146,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,458.76 : 483,689.28 = 97,821.13 : x
  2. Step 2: Convert to fraction form
    322,458.76/483,689.28 = 97,821.13/x
  3. Step 3: Cross multiply
    322,458.76x = 483,689.28 × 97,821.13
  4. Step 4: Simplify right side
    322,458.76x = 47,315,031,938.49
  5. Step 5: Solve for x
    x = 47,315,031,938.49/322,458.76
  6. Step 6: Final answer
    x = 146,732.04

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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.