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Finding the Fourth Proportional to 299,440.48, 413,203.04 and 170,344.60

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Solution

The fourth proportional to 299,440.48, 413,203.04 and 170,344.60 is: 235,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,440.48 : 413,203.04 = 170,344.60 : x
  2. Step 2: Convert to fraction form
    299,440.48/413,203.04 = 170,344.60/x
  3. Step 3: Cross multiply
    299,440.48x = 413,203.04 × 170,344.60
  4. Step 4: Simplify right side
    299,440.48x = 70,386,906,567.58
  5. Step 5: Solve for x
    x = 70,386,906,567.58/299,440.48
  6. Step 6: Final answer
    x = 235,061.43

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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.