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Finding the Fourth Proportional to 524,552.70, 786,636.27 and 187,502.40

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Solution

The fourth proportional to 524,552.70, 786,636.27 and 187,502.40 is: 281,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,552.70 : 786,636.27 = 187,502.40 : x
  2. Step 2: Convert to fraction form
    524,552.70/786,636.27 = 187,502.40/x
  3. Step 3: Cross multiply
    524,552.70x = 786,636.27 × 187,502.40
  4. Step 4: Simplify right side
    524,552.70x = 147,496,188,552.05
  5. Step 5: Solve for x
    x = 147,496,188,552.05/524,552.70
  6. Step 6: Final answer
    x = 281,184.69

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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.