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Finding the Fourth Proportional to 424,870.38, 585,204.22 and 326,565.63

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Solution

The fourth proportional to 424,870.38, 585,204.22 and 326,565.63 is: 449,802.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,870.38 : 585,204.22 = 326,565.63 : x
  2. Step 2: Convert to fraction form
    424,870.38/585,204.22 = 326,565.63/x
  3. Step 3: Cross multiply
    424,870.38x = 585,204.22 × 326,565.63
  4. Step 4: Simplify right side
    424,870.38x = 191,107,584,782.96
  5. Step 5: Solve for x
    x = 191,107,584,782.96/424,870.38
  6. Step 6: Final answer
    x = 449,802.09

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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.