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Finding the Fourth Proportional to 377,315.57, 565,901.13 and 146,504.55

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Solution

The fourth proportional to 377,315.57, 565,901.13 and 146,504.55 is: 219,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,315.57 : 565,901.13 = 146,504.55 : x
  2. Step 2: Convert to fraction form
    377,315.57/565,901.13 = 146,504.55/x
  3. Step 3: Cross multiply
    377,315.57x = 565,901.13 × 146,504.55
  4. Step 4: Simplify right side
    377,315.57x = 82,907,090,395.14
  5. Step 5: Solve for x
    x = 82,907,090,395.14/377,315.57
  6. Step 6: Final answer
    x = 219,728.78

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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.