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Finding the Fourth Proportional to 364,720.32, 547,074.81 and 187,124.85

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Solution

The fourth proportional to 364,720.32, 547,074.81 and 187,124.85 is: 280,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,720.32 : 547,074.81 = 187,124.85 : x
  2. Step 2: Convert to fraction form
    364,720.32/547,074.81 = 187,124.85/x
  3. Step 3: Cross multiply
    364,720.32x = 547,074.81 × 187,124.85
  4. Step 4: Simplify right side
    364,720.32x = 102,371,291,760.03
  5. Step 5: Solve for x
    x = 102,371,291,760.03/364,720.32
  6. Step 6: Final answer
    x = 280,684.37

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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.