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Finding the Fourth Proportional to 442,516.68, 663,567.66 and 161,837.64

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Solution

The fourth proportional to 442,516.68, 663,567.66 and 161,837.64 is: 242,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,516.68 : 663,567.66 = 161,837.64 : x
  2. Step 2: Convert to fraction form
    442,516.68/663,567.66 = 161,837.64/x
  3. Step 3: Cross multiply
    442,516.68x = 663,567.66 × 161,837.64
  4. Step 4: Simplify right side
    442,516.68x = 107,390,224,074.72
  5. Step 5: Solve for x
    x = 107,390,224,074.72/442,516.68
  6. Step 6: Final answer
    x = 242,680.62

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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.