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Finding the Fourth Proportional to 424,099.40, 585,257.60 and 233,108.69

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Solution

The fourth proportional to 424,099.40, 585,257.60 and 233,108.69 is: 321,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,099.40 : 585,257.60 = 233,108.69 : x
  2. Step 2: Convert to fraction form
    424,099.40/585,257.60 = 233,108.69/x
  3. Step 3: Cross multiply
    424,099.40x = 585,257.60 × 233,108.69
  4. Step 4: Simplify right side
    424,099.40x = 136,428,630,105.03
  5. Step 5: Solve for x
    x = 136,428,630,105.03/424,099.40
  6. Step 6: Final answer
    x = 321,690.23

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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.