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Finding the Fourth Proportional to 488,213.19, 731,803.08 and 222,160.54

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Solution

The fourth proportional to 488,213.19, 731,803.08 and 222,160.54 is: 333,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,213.19 : 731,803.08 = 222,160.54 : x
  2. Step 2: Convert to fraction form
    488,213.19/731,803.08 = 222,160.54/x
  3. Step 3: Cross multiply
    488,213.19x = 731,803.08 × 222,160.54
  4. Step 4: Simplify right side
    488,213.19x = 162,577,767,426.46
  5. Step 5: Solve for x
    x = 162,577,767,426.46/488,213.19
  6. Step 6: Final answer
    x = 333,005.69

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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.