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Finding the Fourth Proportional to 253,604.40, 350,338.62 and 202,550.10

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Solution

The fourth proportional to 253,604.40, 350,338.62 and 202,550.10 is: 279,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,604.40 : 350,338.62 = 202,550.10 : x
  2. Step 2: Convert to fraction form
    253,604.40/350,338.62 = 202,550.10/x
  3. Step 3: Cross multiply
    253,604.40x = 350,338.62 × 202,550.10
  4. Step 4: Simplify right side
    253,604.40x = 70,961,122,514.86
  5. Step 5: Solve for x
    x = 70,961,122,514.86/253,604.40
  6. Step 6: Final answer
    x = 279,810.30

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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.