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Finding the Fourth Proportional to 630,093.60, 944,894.70 and 274,865.40

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Solution

The fourth proportional to 630,093.60, 944,894.70 and 274,865.40 is: 412,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,093.60 : 944,894.70 = 274,865.40 : x
  2. Step 2: Convert to fraction form
    630,093.60/944,894.70 = 274,865.40/x
  3. Step 3: Cross multiply
    630,093.60x = 944,894.70 × 274,865.40
  4. Step 4: Simplify right side
    630,093.60x = 259,718,859,673.38
  5. Step 5: Solve for x
    x = 259,718,859,673.38/630,093.60
  6. Step 6: Final answer
    x = 412,190.92

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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.