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Finding the Fourth Proportional to 377,467.30, 566,200.95 and 128,149.30

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Solution

The fourth proportional to 377,467.30, 566,200.95 and 128,149.30 is: 192,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,467.30 : 566,200.95 = 128,149.30 : x
  2. Step 2: Convert to fraction form
    377,467.30/566,200.95 = 128,149.30/x
  3. Step 3: Cross multiply
    377,467.30x = 566,200.95 × 128,149.30
  4. Step 4: Simplify right side
    377,467.30x = 72,558,255,401.84
  5. Step 5: Solve for x
    x = 72,558,255,401.84/377,467.30
  6. Step 6: Final answer
    x = 192,223.95

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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.