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Finding the Fourth Proportional to 524,449.22, 786,560.02 and 187,513.18

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Solution

The fourth proportional to 524,449.22, 786,560.02 and 187,513.18 is: 281,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,449.22 : 786,560.02 = 187,513.18 : x
  2. Step 2: Convert to fraction form
    524,449.22/786,560.02 = 187,513.18/x
  3. Step 3: Cross multiply
    524,449.22x = 786,560.02 × 187,513.18
  4. Step 4: Simplify right side
    524,449.22x = 147,490,368,175.88
  5. Step 5: Solve for x
    x = 147,490,368,175.88/524,449.22
  6. Step 6: Final answer
    x = 281,229.08

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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.