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Finding the Fourth Proportional to 338,955.66, 467,738.64 and 193,777.20

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Solution

The fourth proportional to 338,955.66, 467,738.64 and 193,777.20 is: 267,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,955.66 : 467,738.64 = 193,777.20 : x
  2. Step 2: Convert to fraction form
    338,955.66/467,738.64 = 193,777.20/x
  3. Step 3: Cross multiply
    338,955.66x = 467,738.64 × 193,777.20
  4. Step 4: Simplify right side
    338,955.66x = 90,637,083,991.01
  5. Step 5: Solve for x
    x = 90,637,083,991.01/338,955.66
  6. Step 6: Final answer
    x = 267,401.00

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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.