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Finding the Fourth Proportional to 338,825.43, 467,602.81 and 193,652.60

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Solution

The fourth proportional to 338,825.43, 467,602.81 and 193,652.60 is: 267,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,825.43 : 467,602.81 = 193,652.60 : x
  2. Step 2: Convert to fraction form
    338,825.43/467,602.81 = 193,652.60/x
  3. Step 3: Cross multiply
    338,825.43x = 467,602.81 × 193,652.60
  4. Step 4: Simplify right side
    338,825.43x = 90,552,497,101.66
  5. Step 5: Solve for x
    x = 90,552,497,101.66/338,825.43
  6. Step 6: Final answer
    x = 267,254.13

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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.