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Finding the Fourth Proportional to 608,419.29, 912,559.20 and 159,183.51

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Solution

The fourth proportional to 608,419.29, 912,559.20 and 159,183.51 is: 238,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,419.29 : 912,559.20 = 159,183.51 : x
  2. Step 2: Convert to fraction form
    608,419.29/912,559.20 = 159,183.51/x
  3. Step 3: Cross multiply
    608,419.29x = 912,559.20 × 159,183.51
  4. Step 4: Simplify right side
    608,419.29x = 145,264,376,538.79
  5. Step 5: Solve for x
    x = 145,264,376,538.79/608,419.29
  6. Step 6: Final answer
    x = 238,757.02

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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.