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Finding the Fourth Proportional to 529,401, 794,257.33 and 192,436.35

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Solution

The fourth proportional to 529,401, 794,257.33 and 192,436.35 is: 288,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,401 : 794,257.33 = 192,436.35 : x
  2. Step 2: Convert to fraction form
    529,401/794,257.33 = 192,436.35/x
  3. Step 3: Cross multiply
    529,401x = 794,257.33 × 192,436.35
  4. Step 4: Simplify right side
    529,401x = 152,843,981,545.95
  5. Step 5: Solve for x
    x = 152,843,981,545.95/529,401
  6. Step 6: Final answer
    x = 288,711.17

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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.