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Finding the Fourth Proportional to 423,630.84, 635,252.48 and 252,930.04

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Solution

The fourth proportional to 423,630.84, 635,252.48 and 252,930.04 is: 379,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,630.84 : 635,252.48 = 252,930.04 : x
  2. Step 2: Convert to fraction form
    423,630.84/635,252.48 = 252,930.04/x
  3. Step 3: Cross multiply
    423,630.84x = 635,252.48 × 252,930.04
  4. Step 4: Simplify right side
    423,630.84x = 160,674,435,176.50
  5. Step 5: Solve for x
    x = 160,674,435,176.50/423,630.84
  6. Step 6: Final answer
    x = 379,279.36

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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.