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Finding the Fourth Proportional to 517,458.27, 775,326.16 and 180,313.09

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Solution

The fourth proportional to 517,458.27, 775,326.16 and 180,313.09 is: 270,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,458.27 : 775,326.16 = 180,313.09 : x
  2. Step 2: Convert to fraction form
    517,458.27/775,326.16 = 180,313.09/x
  3. Step 3: Cross multiply
    517,458.27x = 775,326.16 × 180,313.09
  4. Step 4: Simplify right side
    517,458.27x = 139,801,455,667.43
  5. Step 5: Solve for x
    x = 139,801,455,667.43/517,458.27
  6. Step 6: Final answer
    x = 270,169.53

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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.