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Finding the Fourth Proportional to 442,190.69, 610,244.78 and 248,659.30

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Solution

The fourth proportional to 442,190.69, 610,244.78 and 248,659.30 is: 343,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,190.69 : 610,244.78 = 248,659.30 : x
  2. Step 2: Convert to fraction form
    442,190.69/610,244.78 = 248,659.30/x
  3. Step 3: Cross multiply
    442,190.69x = 610,244.78 × 248,659.30
  4. Step 4: Simplify right side
    442,190.69x = 151,743,039,823.45
  5. Step 5: Solve for x
    x = 151,743,039,823.45/442,190.69
  6. Step 6: Final answer
    x = 343,162.00

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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.