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Finding the Fourth Proportional to 338,972.89, 467,666.73 and 193,674.42

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Solution

The fourth proportional to 338,972.89, 467,666.73 and 193,674.42 is: 267,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,972.89 : 467,666.73 = 193,674.42 : x
  2. Step 2: Convert to fraction form
    338,972.89/467,666.73 = 193,674.42/x
  3. Step 3: Cross multiply
    338,972.89x = 467,666.73 × 193,674.42
  4. Step 4: Simplify right side
    338,972.89x = 90,575,081,717.67
  5. Step 5: Solve for x
    x = 90,575,081,717.67/338,972.89
  6. Step 6: Final answer
    x = 267,204.50

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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.