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Finding the Fourth Proportional to 338,606.79, 467,282.64 and 185,658.94

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Solution

The fourth proportional to 338,606.79, 467,282.64 and 185,658.94 is: 256,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,606.79 : 467,282.64 = 185,658.94 : x
  2. Step 2: Convert to fraction form
    338,606.79/467,282.64 = 185,658.94/x
  3. Step 3: Cross multiply
    338,606.79x = 467,282.64 × 185,658.94
  4. Step 4: Simplify right side
    338,606.79x = 86,755,199,622.80
  5. Step 5: Solve for x
    x = 86,755,199,622.80/338,606.79
  6. Step 6: Final answer
    x = 256,212.23

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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.