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Finding the Fourth Proportional to 323,524.48, 485,307.36 and 98,892.84

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Solution

The fourth proportional to 323,524.48, 485,307.36 and 98,892.84 is: 148,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,524.48 : 485,307.36 = 98,892.84 : x
  2. Step 2: Convert to fraction form
    323,524.48/485,307.36 = 98,892.84/x
  3. Step 3: Cross multiply
    323,524.48x = 485,307.36 × 98,892.84
  4. Step 4: Simplify right side
    323,524.48x = 47,993,423,103.30
  5. Step 5: Solve for x
    x = 47,993,423,103.30/323,524.48
  6. Step 6: Final answer
    x = 148,345.57

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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.