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Finding the Fourth Proportional to 273,487.73, 377,451.11 and 152,636.79

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Solution

The fourth proportional to 273,487.73, 377,451.11 and 152,636.79 is: 210,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,487.73 : 377,451.11 = 152,636.79 : x
  2. Step 2: Convert to fraction form
    273,487.73/377,451.11 = 152,636.79/x
  3. Step 3: Cross multiply
    273,487.73x = 377,451.11 × 152,636.79
  4. Step 4: Simplify right side
    273,487.73x = 57,612,925,049.15
  5. Step 5: Solve for x
    x = 57,612,925,049.15/273,487.73
  6. Step 6: Final answer
    x = 210,660.00

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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.