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Finding the Fourth Proportional to 524,563.20, 787,039.20 and 169,588.80

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Solution

The fourth proportional to 524,563.20, 787,039.20 and 169,588.80 is: 254,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,563.20 : 787,039.20 = 169,588.80 : x
  2. Step 2: Convert to fraction form
    524,563.20/787,039.20 = 169,588.80/x
  3. Step 3: Cross multiply
    524,563.20x = 787,039.20 × 169,588.80
  4. Step 4: Simplify right side
    524,563.20x = 133,473,033,480.96
  5. Step 5: Solve for x
    x = 133,473,033,480.96/524,563.20
  6. Step 6: Final answer
    x = 254,446.05

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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.