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Finding the Fourth Proportional to 217,278.80, 325,918.20 and 184,473.80

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Solution

The fourth proportional to 217,278.80, 325,918.20 and 184,473.80 is: 276,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,278.80 : 325,918.20 = 184,473.80 : x
  2. Step 2: Convert to fraction form
    217,278.80/325,918.20 = 184,473.80/x
  3. Step 3: Cross multiply
    217,278.80x = 325,918.20 × 184,473.80
  4. Step 4: Simplify right side
    217,278.80x = 60,123,368,843.16
  5. Step 5: Solve for x
    x = 60,123,368,843.16/217,278.80
  6. Step 6: Final answer
    x = 276,710.70

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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.