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Finding the Fourth Proportional to 675,954.24, 932,443.20 and 434,272.80

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Solution

The fourth proportional to 675,954.24, 932,443.20 and 434,272.80 is: 599,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,954.24 : 932,443.20 = 434,272.80 : x
  2. Step 2: Convert to fraction form
    675,954.24/932,443.20 = 434,272.80/x
  3. Step 3: Cross multiply
    675,954.24x = 932,443.20 × 434,272.80
  4. Step 4: Simplify right side
    675,954.24x = 404,934,719,304.96
  5. Step 5: Solve for x
    x = 404,934,719,304.96/675,954.24
  6. Step 6: Final answer
    x = 599,056.41

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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.