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Finding the Fourth Proportional to 377,011.70, 565,517.55 and 216,923.30

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Solution

The fourth proportional to 377,011.70, 565,517.55 and 216,923.30 is: 325,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,011.70 : 565,517.55 = 216,923.30 : x
  2. Step 2: Convert to fraction form
    377,011.70/565,517.55 = 216,923.30/x
  3. Step 3: Cross multiply
    377,011.70x = 565,517.55 × 216,923.30
  4. Step 4: Simplify right side
    377,011.70x = 122,673,933,153.92
  5. Step 5: Solve for x
    x = 122,673,933,153.92/377,011.70
  6. Step 6: Final answer
    x = 325,384.95

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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.