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Finding the Fourth Proportional to 488,081.80, 732,003.22 and 203,774.70

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Solution

The fourth proportional to 488,081.80, 732,003.22 and 203,774.70 is: 305,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,081.80 : 732,003.22 = 203,774.70 : x
  2. Step 2: Convert to fraction form
    488,081.80/732,003.22 = 203,774.70/x
  3. Step 3: Cross multiply
    488,081.80x = 732,003.22 × 203,774.70
  4. Step 4: Simplify right side
    488,081.80x = 149,163,736,554.53
  5. Step 5: Solve for x
    x = 149,163,736,554.53/488,081.80
  6. Step 6: Final answer
    x = 305,612.17

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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.