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Finding the Fourth Proportional to 429,857.46, 593,223.48 and 238,872.42

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Solution

The fourth proportional to 429,857.46, 593,223.48 and 238,872.42 is: 329,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,857.46 : 593,223.48 = 238,872.42 : x
  2. Step 2: Convert to fraction form
    429,857.46/593,223.48 = 238,872.42/x
  3. Step 3: Cross multiply
    429,857.46x = 593,223.48 × 238,872.42
  4. Step 4: Simplify right side
    429,857.46x = 141,704,728,268.42
  5. Step 5: Solve for x
    x = 141,704,728,268.42/429,857.46
  6. Step 6: Final answer
    x = 329,655.16

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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.