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Finding the Fourth Proportional to 442,190.81, 610,244.95 and 248,659.43

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Solution

The fourth proportional to 442,190.81, 610,244.95 and 248,659.43 is: 343,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,190.81 : 610,244.95 = 248,659.43 : x
  2. Step 2: Convert to fraction form
    442,190.81/610,244.95 = 248,659.43/x
  3. Step 3: Cross multiply
    442,190.81x = 610,244.95 × 248,659.43
  4. Step 4: Simplify right side
    442,190.81x = 151,743,161,427.38
  5. Step 5: Solve for x
    x = 151,743,161,427.38/442,190.81
  6. Step 6: Final answer
    x = 343,162.18

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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.