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Finding the Fourth Proportional to 524,885.33, 787,452.95 and 169,899.32

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Solution

The fourth proportional to 524,885.33, 787,452.95 and 169,899.32 is: 254,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,885.33 : 787,452.95 = 169,899.32 : x
  2. Step 2: Convert to fraction form
    524,885.33/787,452.95 = 169,899.32/x
  3. Step 3: Cross multiply
    524,885.33x = 787,452.95 × 169,899.32
  4. Step 4: Simplify right side
    524,885.33x = 133,787,723,130.38
  5. Step 5: Solve for x
    x = 133,787,723,130.38/524,885.33
  6. Step 6: Final answer
    x = 254,889.43

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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.