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Finding the Fourth Proportional to 377,465.50, 566,285.73 and 128,147.50

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Solution

The fourth proportional to 377,465.50, 566,285.73 and 128,147.50 is: 192,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,465.50 : 566,285.73 = 128,147.50 : x
  2. Step 2: Convert to fraction form
    377,465.50/566,285.73 = 128,147.50/x
  3. Step 3: Cross multiply
    377,465.50x = 566,285.73 × 128,147.50
  4. Step 4: Simplify right side
    377,465.50x = 72,568,100,585.18
  5. Step 5: Solve for x
    x = 72,568,100,585.18/377,465.50
  6. Step 6: Final answer
    x = 192,250.95

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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.