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Finding the Fourth Proportional to 323,668.35, 485,560.86 and 99,024.57

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Solution

The fourth proportional to 323,668.35, 485,560.86 and 99,024.57 is: 148,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,668.35 : 485,560.86 = 99,024.57 : x
  2. Step 2: Convert to fraction form
    323,668.35/485,560.86 = 99,024.57/x
  3. Step 3: Cross multiply
    323,668.35x = 485,560.86 × 99,024.57
  4. Step 4: Simplify right side
    323,668.35x = 48,082,455,370.33
  5. Step 5: Solve for x
    x = 48,082,455,370.33/323,668.35
  6. Step 6: Final answer
    x = 148,554.70

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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.