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Finding the Fourth Proportional to 488,300.57, 731,860.36 and 251,514.08

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Solution

The fourth proportional to 488,300.57, 731,860.36 and 251,514.08 is: 376,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,300.57 : 731,860.36 = 251,514.08 : x
  2. Step 2: Convert to fraction form
    488,300.57/731,860.36 = 251,514.08/x
  3. Step 3: Cross multiply
    488,300.57x = 731,860.36 × 251,514.08
  4. Step 4: Simplify right side
    488,300.57x = 184,073,180,845.78
  5. Step 5: Solve for x
    x = 184,073,180,845.78/488,300.57
  6. Step 6: Final answer
    x = 376,966.96

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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.