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Finding the Fourth Proportional to 823,682.40, 1,233,104.40 and 614,248.80

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Solution

The fourth proportional to 823,682.40, 1,233,104.40 and 614,248.80 is: 919,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,682.40 : 1,233,104.40 = 614,248.80 : x
  2. Step 2: Convert to fraction form
    823,682.40/1,233,104.40 = 614,248.80/x
  3. Step 3: Cross multiply
    823,682.40x = 1,233,104.40 × 614,248.80
  4. Step 4: Simplify right side
    823,682.40x = 757,432,897,974.72
  5. Step 5: Solve for x
    x = 757,432,897,974.72/823,682.40
  6. Step 6: Final answer
    x = 919,569.12

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Double scale
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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.