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Finding the Fourth Proportional to 429,805.02, 593,119.18 and 238,813.50

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Solution

The fourth proportional to 429,805.02, 593,119.18 and 238,813.50 is: 329,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,805.02 : 593,119.18 = 238,813.50 : x
  2. Step 2: Convert to fraction form
    429,805.02/593,119.18 = 238,813.50/x
  3. Step 3: Cross multiply
    429,805.02x = 593,119.18 × 238,813.50
  4. Step 4: Simplify right side
    429,805.02x = 141,644,867,292.93
  5. Step 5: Solve for x
    x = 141,644,867,292.93/429,805.02
  6. Step 6: Final answer
    x = 329,556.10

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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.