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Finding the Fourth Proportional to 338,335.36, 466,843.45 and 193,074.82

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Solution

The fourth proportional to 338,335.36, 466,843.45 and 193,074.82 is: 266,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,335.36 : 466,843.45 = 193,074.82 : x
  2. Step 2: Convert to fraction form
    338,335.36/466,843.45 = 193,074.82/x
  3. Step 3: Cross multiply
    338,335.36x = 466,843.45 × 193,074.82
  4. Step 4: Simplify right side
    338,335.36x = 90,135,712,742.71
  5. Step 5: Solve for x
    x = 90,135,712,742.71/338,335.36
  6. Step 6: Final answer
    x = 266,409.38

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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.