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Finding the Fourth Proportional to 270,348.20, 373,065.44 and 149,482.20

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Solution

The fourth proportional to 270,348.20, 373,065.44 and 149,482.20 is: 206,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,348.20 : 373,065.44 = 149,482.20 : x
  2. Step 2: Convert to fraction form
    270,348.20/373,065.44 = 149,482.20/x
  3. Step 3: Cross multiply
    270,348.20x = 373,065.44 × 149,482.20
  4. Step 4: Simplify right side
    270,348.20x = 55,766,642,715.17
  5. Step 5: Solve for x
    x = 55,766,642,715.17/270,348.20
  6. Step 6: Final answer
    x = 206,277.10

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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.