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Finding the Fourth Proportional to 363,923.70, 545,885.55 and 186,776.70

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Solution

The fourth proportional to 363,923.70, 545,885.55 and 186,776.70 is: 280,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,923.70 : 545,885.55 = 186,776.70 : x
  2. Step 2: Convert to fraction form
    363,923.70/545,885.55 = 186,776.70/x
  3. Step 3: Cross multiply
    363,923.70x = 545,885.55 × 186,776.70
  4. Step 4: Simplify right side
    363,923.70x = 101,958,701,606.69
  5. Step 5: Solve for x
    x = 101,958,701,606.69/363,923.70
  6. Step 6: Final answer
    x = 280,165.05

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Similar ratio
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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.