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Finding the Fourth Proportional to 524,673.28, 786,542.40 and 192,171.52

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Solution

The fourth proportional to 524,673.28, 786,542.40 and 192,171.52 is: 288,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,673.28 : 786,542.40 = 192,171.52 : x
  2. Step 2: Convert to fraction form
    524,673.28/786,542.40 = 192,171.52/x
  3. Step 3: Cross multiply
    524,673.28x = 786,542.40 × 192,171.52
  4. Step 4: Simplify right side
    524,673.28x = 151,151,048,552.45
  5. Step 5: Solve for x
    x = 151,151,048,552.45/524,673.28
  6. Step 6: Final answer
    x = 288,086.04

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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.