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Finding the Fourth Proportional to 371,559.12, 512,754.21 and 201,793.25

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Solution

The fourth proportional to 371,559.12, 512,754.21 and 201,793.25 is: 278,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,559.12 : 512,754.21 = 201,793.25 : x
  2. Step 2: Convert to fraction form
    371,559.12/512,754.21 = 201,793.25/x
  3. Step 3: Cross multiply
    371,559.12x = 512,754.21 × 201,793.25
  4. Step 4: Simplify right side
    371,559.12x = 103,470,335,923.31
  5. Step 5: Solve for x
    x = 103,470,335,923.31/371,559.12
  6. Step 6: Final answer
    x = 278,476.10

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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.