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Finding the Fourth Proportional to 429,785.79, 593,104.53 and 238,799.19

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Solution

The fourth proportional to 429,785.79, 593,104.53 and 238,799.19 is: 329,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,785.79 : 593,104.53 = 238,799.19 : x
  2. Step 2: Convert to fraction form
    429,785.79/593,104.53 = 238,799.19/x
  3. Step 3: Cross multiply
    429,785.79x = 593,104.53 × 238,799.19
  4. Step 4: Simplify right side
    429,785.79x = 141,632,881,349.33
  5. Step 5: Solve for x
    x = 141,632,881,349.33/429,785.79
  6. Step 6: Final answer
    x = 329,542.96

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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.