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Finding the Fourth Proportional to 424,490.20, 585,793.20 and 233,499.40

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Solution

The fourth proportional to 424,490.20, 585,793.20 and 233,499.40 is: 322,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,490.20 : 585,793.20 = 233,499.40 : x
  2. Step 2: Convert to fraction form
    424,490.20/585,793.20 = 233,499.40/x
  3. Step 3: Cross multiply
    424,490.20x = 585,793.20 × 233,499.40
  4. Step 4: Simplify right side
    424,490.20x = 136,782,360,724.08
  5. Step 5: Solve for x
    x = 136,782,360,724.08/424,490.20
  6. Step 6: Final answer
    x = 322,227.37

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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.