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Finding the Fourth Proportional to 424,870.14, 585,203.87 and 326,565.39

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Solution

The fourth proportional to 424,870.14, 585,203.87 and 326,565.39 is: 449,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,870.14 : 585,203.87 = 326,565.39 : x
  2. Step 2: Convert to fraction form
    424,870.14/585,203.87 = 326,565.39/x
  3. Step 3: Cross multiply
    424,870.14x = 585,203.87 × 326,565.39
  4. Step 4: Simplify right side
    424,870.14x = 191,107,328,403.23
  5. Step 5: Solve for x
    x = 191,107,328,403.23/424,870.14
  6. Step 6: Final answer
    x = 449,801.74

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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.