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Finding the Fourth Proportional to 441,840.76, 662,143.34 and 238,998.98

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Solution

The fourth proportional to 441,840.76, 662,143.34 and 238,998.98 is: 358,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,840.76 : 662,143.34 = 238,998.98 : x
  2. Step 2: Convert to fraction form
    441,840.76/662,143.34 = 238,998.98/x
  3. Step 3: Cross multiply
    441,840.76x = 662,143.34 × 238,998.98
  4. Step 4: Simplify right side
    441,840.76x = 158,251,585,126.65
  5. Step 5: Solve for x
    x = 158,251,585,126.65/441,840.76
  6. Step 6: Final answer
    x = 358,164.30

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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.