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Finding the Fourth Proportional to 524,344.87, 786,534.72 and 145,269.42

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Solution

The fourth proportional to 524,344.87, 786,534.72 and 145,269.42 is: 217,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,344.87 : 786,534.72 = 145,269.42 : x
  2. Step 2: Convert to fraction form
    524,344.87/786,534.72 = 145,269.42/x
  3. Step 3: Cross multiply
    524,344.87x = 786,534.72 × 145,269.42
  4. Step 4: Simplify right side
    524,344.87x = 114,259,442,584.26
  5. Step 5: Solve for x
    x = 114,259,442,584.26/524,344.87
  6. Step 6: Final answer
    x = 217,908.95

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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.