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Finding the Fourth Proportional to 362,707.66, 543,990.64 and 344,704.32

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Solution

The fourth proportional to 362,707.66, 543,990.64 and 344,704.32 is: 516,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,707.66 : 543,990.64 = 344,704.32 : x
  2. Step 2: Convert to fraction form
    362,707.66/543,990.64 = 344,704.32/x
  3. Step 3: Cross multiply
    362,707.66x = 543,990.64 × 344,704.32
  4. Step 4: Simplify right side
    362,707.66x = 187,515,923,647.57
  5. Step 5: Solve for x
    x = 187,515,923,647.57/362,707.66
  6. Step 6: Final answer
    x = 516,989.15

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1.5x scale

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.