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Finding the Fourth Proportional to 357,999.33, 494,025.80 and 196,844.79

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Solution

The fourth proportional to 357,999.33, 494,025.80 and 196,844.79 is: 271,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,999.33 : 494,025.80 = 196,844.79 : x
  2. Step 2: Convert to fraction form
    357,999.33/494,025.80 = 196,844.79/x
  3. Step 3: Cross multiply
    357,999.33x = 494,025.80 × 196,844.79
  4. Step 4: Simplify right side
    357,999.33x = 97,246,403,871.36
  5. Step 5: Solve for x
    x = 97,246,403,871.36/357,999.33
  6. Step 6: Final answer
    x = 271,638.51

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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.