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Finding the Fourth Proportional to 423,044.04, 634,250.43 and 254,524.89

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Solution

The fourth proportional to 423,044.04, 634,250.43 and 254,524.89 is: 381,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,044.04 : 634,250.43 = 254,524.89 : x
  2. Step 2: Convert to fraction form
    423,044.04/634,250.43 = 254,524.89/x
  3. Step 3: Cross multiply
    423,044.04x = 634,250.43 × 254,524.89
  4. Step 4: Simplify right side
    423,044.04x = 161,432,520,928.20
  5. Step 5: Solve for x
    x = 161,432,520,928.20/423,044.04
  6. Step 6: Final answer
    x = 381,597.44

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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.