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Finding the Fourth Proportional to 608,604.08, 912,989.19 and 253,535.06

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Solution

The fourth proportional to 608,604.08, 912,989.19 and 253,535.06 is: 380,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,604.08 : 912,989.19 = 253,535.06 : x
  2. Step 2: Convert to fraction form
    608,604.08/912,989.19 = 253,535.06/x
  3. Step 3: Cross multiply
    608,604.08x = 912,989.19 × 253,535.06
  4. Step 4: Simplify right side
    608,604.08x = 231,474,765,737.53
  5. Step 5: Solve for x
    x = 231,474,765,737.53/608,604.08
  6. Step 6: Final answer
    x = 380,337.19

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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.