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Finding the Fourth Proportional to 270,646.20, 373,482.48 and 149,792.64

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Solution

The fourth proportional to 270,646.20, 373,482.48 and 149,792.64 is: 206,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,646.20 : 373,482.48 = 149,792.64 : x
  2. Step 2: Convert to fraction form
    270,646.20/373,482.48 = 149,792.64/x
  3. Step 3: Cross multiply
    270,646.20x = 373,482.48 × 149,792.64
  4. Step 4: Simplify right side
    270,646.20x = 55,944,926,672.95
  5. Step 5: Solve for x
    x = 55,944,926,672.95/270,646.20
  6. Step 6: Final answer
    x = 206,708.71

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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.