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Finding the Fourth Proportional to 524,057.42, 786,252.27 and 187,090.83

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Solution

The fourth proportional to 524,057.42, 786,252.27 and 187,090.83 is: 280,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,057.42 : 786,252.27 = 187,090.83 : x
  2. Step 2: Convert to fraction form
    524,057.42/786,252.27 = 187,090.83/x
  3. Step 3: Cross multiply
    524,057.42x = 786,252.27 × 187,090.83
  4. Step 4: Simplify right side
    524,057.42x = 147,100,589,783.68
  5. Step 5: Solve for x
    x = 147,100,589,783.68/524,057.42
  6. Step 6: Final answer
    x = 280,695.56

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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.