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Finding the Fourth Proportional to 338,603.55, 467,278.14 and 185,655.69

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Solution

The fourth proportional to 338,603.55, 467,278.14 and 185,655.69 is: 256,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,603.55 : 467,278.14 = 185,655.69 : x
  2. Step 2: Convert to fraction form
    338,603.55/467,278.14 = 185,655.69/x
  3. Step 3: Cross multiply
    338,603.55x = 467,278.14 × 185,655.69
  4. Step 4: Simplify right side
    338,603.55x = 86,752,845,503.62
  5. Step 5: Solve for x
    x = 86,752,845,503.62/338,603.55
  6. Step 6: Final answer
    x = 256,207.73

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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.