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Finding the Fourth Proportional to 529,601.30, 794,401.95 and 489,166.10

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Solution

The fourth proportional to 529,601.30, 794,401.95 and 489,166.10 is: 733,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,601.30 : 794,401.95 = 489,166.10 : x
  2. Step 2: Convert to fraction form
    529,601.30/794,401.95 = 489,166.10/x
  3. Step 3: Cross multiply
    529,601.30x = 794,401.95 × 489,166.10
  4. Step 4: Simplify right side
    529,601.30x = 388,594,503,713.90
  5. Step 5: Solve for x
    x = 388,594,503,713.90/529,601.30
  6. Step 6: Final answer
    x = 733,749.15

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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.