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Finding the Fourth Proportional to 217,217.80, 325,826.70 and 184,412.80

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Solution

The fourth proportional to 217,217.80, 325,826.70 and 184,412.80 is: 276,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,217.80 : 325,826.70 = 184,412.80 : x
  2. Step 2: Convert to fraction form
    217,217.80/325,826.70 = 184,412.80/x
  3. Step 3: Cross multiply
    217,217.80x = 325,826.70 × 184,412.80
  4. Step 4: Simplify right side
    217,217.80x = 60,086,614,061.76
  5. Step 5: Solve for x
    x = 60,086,614,061.76/217,217.80
  6. Step 6: Final answer
    x = 276,619.20

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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.