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Finding the Fourth Proportional to 441,898.16, 661,611.96 and 238,766.48

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Solution

The fourth proportional to 441,898.16, 661,611.96 and 238,766.48 is: 357,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,898.16 : 661,611.96 = 238,766.48 : x
  2. Step 2: Convert to fraction form
    441,898.16/661,611.96 = 238,766.48/x
  3. Step 3: Cross multiply
    441,898.16x = 661,611.96 × 238,766.48
  4. Step 4: Simplify right side
    441,898.16x = 157,970,758,815.10
  5. Step 5: Solve for x
    x = 157,970,758,815.10/441,898.16
  6. Step 6: Final answer
    x = 357,482.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.