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Finding the Fourth Proportional to 363,529.50, 545,404.41 and 186,162.18

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Solution

The fourth proportional to 363,529.50, 545,404.41 and 186,162.18 is: 279,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,529.50 : 545,404.41 = 186,162.18 : x
  2. Step 2: Convert to fraction form
    363,529.50/545,404.41 = 186,162.18/x
  3. Step 3: Cross multiply
    363,529.50x = 545,404.41 × 186,162.18
  4. Step 4: Simplify right side
    363,529.50x = 101,533,673,947.21
  5. Step 5: Solve for x
    x = 101,533,673,947.21/363,529.50
  6. Step 6: Final answer
    x = 279,299.68

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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.