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Finding the Fourth Proportional to 338,313.89, 466,758.21 and 193,015.29

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Solution

The fourth proportional to 338,313.89, 466,758.21 and 193,015.29 is: 266,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,313.89 : 466,758.21 = 193,015.29 : x
  2. Step 2: Convert to fraction form
    338,313.89/466,758.21 = 193,015.29/x
  3. Step 3: Cross multiply
    338,313.89x = 466,758.21 × 193,015.29
  4. Step 4: Simplify right side
    338,313.89x = 90,091,471,263.03
  5. Step 5: Solve for x
    x = 90,091,471,263.03/338,313.89
  6. Step 6: Final answer
    x = 266,295.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.