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Finding the Fourth Proportional to 338,338.52, 466,889.32 and 193,138.54

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Solution

The fourth proportional to 338,338.52, 466,889.32 and 193,138.54 is: 266,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,338.52 : 466,889.32 = 193,138.54 : x
  2. Step 2: Convert to fraction form
    338,338.52/466,889.32 = 193,138.54/x
  3. Step 3: Cross multiply
    338,338.52x = 466,889.32 × 193,138.54
  4. Step 4: Simplify right side
    338,338.52x = 90,174,321,606.39
  5. Step 5: Solve for x
    x = 90,174,321,606.39/338,338.52
  6. Step 6: Final answer
    x = 266,521.00

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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.