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Finding the Fourth Proportional to 598,279.44, 825,641.20 and 326,351.92

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Solution

The fourth proportional to 598,279.44, 825,641.20 and 326,351.92 is: 450,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,279.44 : 825,641.20 = 326,351.92 : x
  2. Step 2: Convert to fraction form
    598,279.44/825,641.20 = 326,351.92/x
  3. Step 3: Cross multiply
    598,279.44x = 825,641.20 × 326,351.92
  4. Step 4: Simplify right side
    598,279.44x = 269,449,590,851.10
  5. Step 5: Solve for x
    x = 269,449,590,851.10/598,279.44
  6. Step 6: Final answer
    x = 450,374.14

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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.