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Finding the Fourth Proportional to 377,174.64, 520,515.12 and 226,242.48

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Solution

The fourth proportional to 377,174.64, 520,515.12 and 226,242.48 is: 312,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,174.64 : 520,515.12 = 226,242.48 : x
  2. Step 2: Convert to fraction form
    377,174.64/520,515.12 = 226,242.48/x
  3. Step 3: Cross multiply
    377,174.64x = 520,515.12 × 226,242.48
  4. Step 4: Simplify right side
    377,174.64x = 117,762,631,626.30
  5. Step 5: Solve for x
    x = 117,762,631,626.30/377,174.64
  6. Step 6: Final answer
    x = 312,223.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.