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Finding the Fourth Proportional to 338,339.05, 466,890.03 and 193,139.06

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Solution

The fourth proportional to 338,339.05, 466,890.03 and 193,139.06 is: 266,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,339.05 : 466,890.03 = 193,139.06 : x
  2. Step 2: Convert to fraction form
    338,339.05/466,890.03 = 193,139.06/x
  3. Step 3: Cross multiply
    338,339.05x = 466,890.03 × 193,139.06
  4. Step 4: Simplify right side
    338,339.05x = 90,174,701,517.57
  5. Step 5: Solve for x
    x = 90,174,701,517.57/338,339.05
  6. Step 6: Final answer
    x = 266,521.71

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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.