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Finding the Fourth Proportional to 434,258.88, 599,644.32 and 326,641.44

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Solution

The fourth proportional to 434,258.88, 599,644.32 and 326,641.44 is: 451,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,258.88 : 599,644.32 = 326,641.44 : x
  2. Step 2: Convert to fraction form
    434,258.88/599,644.32 = 326,641.44/x
  3. Step 3: Cross multiply
    434,258.88x = 599,644.32 × 326,641.44
  4. Step 4: Simplify right side
    434,258.88x = 195,868,684,172.62
  5. Step 5: Solve for x
    x = 195,868,684,172.62/434,258.88
  6. Step 6: Final answer
    x = 451,041.29

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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.