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Finding the Fourth Proportional to 360,617.70, 497,608.83 and 199,450.74

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Solution

The fourth proportional to 360,617.70, 497,608.83 and 199,450.74 is: 275,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,617.70 : 497,608.83 = 199,450.74 : x
  2. Step 2: Convert to fraction form
    360,617.70/497,608.83 = 199,450.74/x
  3. Step 3: Cross multiply
    360,617.70x = 497,608.83 × 199,450.74
  4. Step 4: Simplify right side
    360,617.70x = 99,248,449,374.03
  5. Step 5: Solve for x
    x = 99,248,449,374.03/360,617.70
  6. Step 6: Final answer
    x = 275,217.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.