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Finding the Fourth Proportional to 608,404.72, 912,537.36 and 159,168.94

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Solution

The fourth proportional to 608,404.72, 912,537.36 and 159,168.94 is: 238,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,404.72 : 912,537.36 = 159,168.94 : x
  2. Step 2: Convert to fraction form
    608,404.72/912,537.36 = 159,168.94/x
  3. Step 3: Cross multiply
    608,404.72x = 912,537.36 × 159,168.94
  4. Step 4: Simplify right side
    608,404.72x = 145,247,604,301.60
  5. Step 5: Solve for x
    x = 145,247,604,301.60/608,404.72
  6. Step 6: Final answer
    x = 238,735.17

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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.