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Finding the Fourth Proportional to 347,399.53, 520,832.28 and 176,480.72

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Solution

The fourth proportional to 347,399.53, 520,832.28 and 176,480.72 is: 264,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,399.53 : 520,832.28 = 176,480.72 : x
  2. Step 2: Convert to fraction form
    347,399.53/520,832.28 = 176,480.72/x
  3. Step 3: Cross multiply
    347,399.53x = 520,832.28 × 176,480.72
  4. Step 4: Simplify right side
    347,399.53x = 91,916,855,773.64
  5. Step 5: Solve for x
    x = 91,916,855,773.64/347,399.53
  6. Step 6: Final answer
    x = 264,585.44

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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.