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Finding the Fourth Proportional to 524,603.20, 787,099.20 and 169,628.80

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Solution

The fourth proportional to 524,603.20, 787,099.20 and 169,628.80 is: 254,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,603.20 : 787,099.20 = 169,628.80 : x
  2. Step 2: Convert to fraction form
    524,603.20/787,099.20 = 169,628.80/x
  3. Step 3: Cross multiply
    524,603.20x = 787,099.20 × 169,628.80
  4. Step 4: Simplify right side
    524,603.20x = 133,514,692,776.96
  5. Step 5: Solve for x
    x = 133,514,692,776.96/524,603.20
  6. Step 6: Final answer
    x = 254,506.06

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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.