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Finding the Fourth Proportional to 294,658.50, 441,998.70 and 94,981.77

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Solution

The fourth proportional to 294,658.50, 441,998.70 and 94,981.77 is: 142,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,658.50 : 441,998.70 = 94,981.77 : x
  2. Step 2: Convert to fraction form
    294,658.50/441,998.70 = 94,981.77/x
  3. Step 3: Cross multiply
    294,658.50x = 441,998.70 × 94,981.77
  4. Step 4: Simplify right side
    294,658.50x = 41,981,818,863.70
  5. Step 5: Solve for x
    x = 41,981,818,863.70/294,658.50
  6. Step 6: Final answer
    x = 142,476.18

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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.