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Finding the Fourth Proportional to 411,359.76, 567,685.44 and 290,713.92

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Solution

The fourth proportional to 411,359.76, 567,685.44 and 290,713.92 is: 401,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,359.76 : 567,685.44 = 290,713.92 : x
  2. Step 2: Convert to fraction form
    411,359.76/567,685.44 = 290,713.92/x
  3. Step 3: Cross multiply
    411,359.76x = 567,685.44 × 290,713.92
  4. Step 4: Simplify right side
    411,359.76x = 165,034,059,589.33
  5. Step 5: Solve for x
    x = 165,034,059,589.33/411,359.76
  6. Step 6: Final answer
    x = 401,191.55

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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.