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Finding the Fourth Proportional to 603,864.92, 905,801.22 and 177,399.01

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Solution

The fourth proportional to 603,864.92, 905,801.22 and 177,399.01 is: 266,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,864.92 : 905,801.22 = 177,399.01 : x
  2. Step 2: Convert to fraction form
    603,864.92/905,801.22 = 177,399.01/x
  3. Step 3: Cross multiply
    603,864.92x = 905,801.22 × 177,399.01
  4. Step 4: Simplify right side
    603,864.92x = 160,688,235,155.79
  5. Step 5: Solve for x
    x = 160,688,235,155.79/603,864.92
  6. Step 6: Final answer
    x = 266,099.64

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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.