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Finding the Fourth Proportional to 524,028.69, 786,209.19 and 187,062.11

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Solution

The fourth proportional to 524,028.69, 786,209.19 and 187,062.11 is: 280,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,028.69 : 786,209.19 = 187,062.11 : x
  2. Step 2: Convert to fraction form
    524,028.69/786,209.19 = 187,062.11/x
  3. Step 3: Cross multiply
    524,028.69x = 786,209.19 × 187,062.11
  4. Step 4: Simplify right side
    524,028.69x = 147,069,949,047.48
  5. Step 5: Solve for x
    x = 147,069,949,047.48/524,028.69
  6. Step 6: Final answer
    x = 280,652.48

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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.