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Finding the Fourth Proportional to 449,328.60, 674,188.92 and 238,719.96

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Solution

The fourth proportional to 449,328.60, 674,188.92 and 238,719.96 is: 358,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,328.60 : 674,188.92 = 238,719.96 : x
  2. Step 2: Convert to fraction form
    449,328.60/674,188.92 = 238,719.96/x
  3. Step 3: Cross multiply
    449,328.60x = 674,188.92 × 238,719.96
  4. Step 4: Simplify right side
    449,328.60x = 160,942,352,014.84
  5. Step 5: Solve for x
    x = 160,942,352,014.84/449,328.60
  6. Step 6: Final answer
    x = 358,184.08

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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.