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Finding the Fourth Proportional to 722,019.52, 1,082,386 and 342,706.24

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Solution

The fourth proportional to 722,019.52, 1,082,386 and 342,706.24 is: 513,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,019.52 : 1,082,386 = 342,706.24 : x
  2. Step 2: Convert to fraction form
    722,019.52/1,082,386 = 342,706.24/x
  3. Step 3: Cross multiply
    722,019.52x = 1,082,386 × 342,706.24
  4. Step 4: Simplify right side
    722,019.52x = 370,940,436,288.64
  5. Step 5: Solve for x
    x = 370,940,436,288.64/722,019.52
  6. Step 6: Final answer
    x = 513,754.03

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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.