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Finding the Fourth Proportional to 270,632.61, 373,470.68 and 149,770.82

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Solution

The fourth proportional to 270,632.61, 373,470.68 and 149,770.82 is: 206,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,632.61 : 373,470.68 = 149,770.82 : x
  2. Step 2: Convert to fraction form
    270,632.61/373,470.68 = 149,770.82/x
  3. Step 3: Cross multiply
    270,632.61x = 373,470.68 × 149,770.82
  4. Step 4: Simplify right side
    270,632.61x = 55,935,011,297.66
  5. Step 5: Solve for x
    x = 55,935,011,297.66/270,632.61
  6. Step 6: Final answer
    x = 206,682.45

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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.