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Finding the Fourth Proportional to 608,407.22, 912,541.11 and 159,171.44

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Solution

The fourth proportional to 608,407.22, 912,541.11 and 159,171.44 is: 238,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,407.22 : 912,541.11 = 159,171.44 : x
  2. Step 2: Convert to fraction form
    608,407.22/912,541.11 = 159,171.44/x
  3. Step 3: Cross multiply
    608,407.22x = 912,541.11 × 159,171.44
  4. Step 4: Simplify right side
    608,407.22x = 145,250,482,537.90
  5. Step 5: Solve for x
    x = 145,250,482,537.90/608,407.22
  6. Step 6: Final answer
    x = 238,738.92

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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.