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Finding the Fourth Proportional to 224,990.40, 337,615.20 and 84,849.60

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Solution

The fourth proportional to 224,990.40, 337,615.20 and 84,849.60 is: 127,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,990.40 : 337,615.20 = 84,849.60 : x
  2. Step 2: Convert to fraction form
    224,990.40/337,615.20 = 84,849.60/x
  3. Step 3: Cross multiply
    224,990.40x = 337,615.20 × 84,849.60
  4. Step 4: Simplify right side
    224,990.40x = 28,646,514,673.92
  5. Step 5: Solve for x
    x = 28,646,514,673.92/224,990.40
  6. Step 6: Final answer
    x = 127,323.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.