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Finding the Fourth Proportional to 603,579.26, 905,509.12 and 177,097.86

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Solution

The fourth proportional to 603,579.26, 905,509.12 and 177,097.86 is: 265,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,579.26 : 905,509.12 = 177,097.86 : x
  2. Step 2: Convert to fraction form
    603,579.26/905,509.12 = 177,097.86/x
  3. Step 3: Cross multiply
    603,579.26x = 905,509.12 × 177,097.86
  4. Step 4: Simplify right side
    603,579.26x = 160,363,727,362.48
  5. Step 5: Solve for x
    x = 160,363,727,362.48/603,579.26
  6. Step 6: Final answer
    x = 265,687.94

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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.