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Finding the Fourth Proportional to 608,404.28, 912,536.70 and 159,168.50

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Solution

The fourth proportional to 608,404.28, 912,536.70 and 159,168.50 is: 238,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,404.28 : 912,536.70 = 159,168.50 : x
  2. Step 2: Convert to fraction form
    608,404.28/912,536.70 = 159,168.50/x
  3. Step 3: Cross multiply
    608,404.28x = 912,536.70 × 159,168.50
  4. Step 4: Simplify right side
    608,404.28x = 145,247,100,612.17
  5. Step 5: Solve for x
    x = 145,247,100,612.17/608,404.28
  6. Step 6: Final answer
    x = 238,734.51

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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.