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Finding the Fourth Proportional to 524,257.50, 786,186.42 and 187,235.22

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Solution

The fourth proportional to 524,257.50, 786,186.42 and 187,235.22 is: 280,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,257.50 : 786,186.42 = 187,235.22 : x
  2. Step 2: Convert to fraction form
    524,257.50/786,186.42 = 187,235.22/x
  3. Step 3: Cross multiply
    524,257.50x = 786,186.42 × 187,235.22
  4. Step 4: Simplify right side
    524,257.50x = 147,201,787,309.71
  5. Step 5: Solve for x
    x = 147,201,787,309.71/524,257.50
  6. Step 6: Final answer
    x = 280,781.46

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1.5x scale

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.