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Finding the Fourth Proportional to 323,043.48, 484,589.82 and 98,423.09

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Solution

The fourth proportional to 323,043.48, 484,589.82 and 98,423.09 is: 147,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,043.48 : 484,589.82 = 98,423.09 : x
  2. Step 2: Convert to fraction form
    323,043.48/484,589.82 = 98,423.09/x
  3. Step 3: Cross multiply
    323,043.48x = 484,589.82 × 98,423.09
  4. Step 4: Simplify right side
    323,043.48x = 47,694,827,466.94
  5. Step 5: Solve for x
    x = 47,694,827,466.94/323,043.48
  6. Step 6: Final answer
    x = 147,642.13

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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.