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Finding the Fourth Proportional to 395,073.36, 591,446.70 and 244,830.78

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Solution

The fourth proportional to 395,073.36, 591,446.70 and 244,830.78 is: 366,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,073.36 : 591,446.70 = 244,830.78 : x
  2. Step 2: Convert to fraction form
    395,073.36/591,446.70 = 244,830.78/x
  3. Step 3: Cross multiply
    395,073.36x = 591,446.70 × 244,830.78
  4. Step 4: Simplify right side
    395,073.36x = 144,804,356,889.43
  5. Step 5: Solve for x
    x = 144,804,356,889.43/395,073.36
  6. Step 6: Final answer
    x = 366,525.24

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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.