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Finding the Fourth Proportional to 377,528.73, 566,292.96 and 137,660.73

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Solution

The fourth proportional to 377,528.73, 566,292.96 and 137,660.73 is: 206,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,528.73 : 566,292.96 = 137,660.73 : x
  2. Step 2: Convert to fraction form
    377,528.73/566,292.96 = 137,660.73/x
  3. Step 3: Cross multiply
    377,528.73x = 566,292.96 × 137,660.73
  4. Step 4: Simplify right side
    377,528.73x = 77,956,302,267.46
  5. Step 5: Solve for x
    x = 77,956,302,267.46/377,528.73
  6. Step 6: Final answer
    x = 206,491.05

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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.