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Finding the Fourth Proportional to 322,042.49, 444,432.53 and 178,802.56

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Solution

The fourth proportional to 322,042.49, 444,432.53 and 178,802.56 is: 246,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,042.49 : 444,432.53 = 178,802.56 : x
  2. Step 2: Convert to fraction form
    322,042.49/444,432.53 = 178,802.56/x
  3. Step 3: Cross multiply
    322,042.49x = 444,432.53 × 178,802.56
  4. Step 4: Simplify right side
    322,042.49x = 79,465,674,111.28
  5. Step 5: Solve for x
    x = 79,465,674,111.28/322,042.49
  6. Step 6: Final answer
    x = 246,755.25

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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.