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Finding the Fourth Proportional to 338,261.91, 466,685.52 and 192,963.30

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Solution

The fourth proportional to 338,261.91, 466,685.52 and 192,963.30 is: 266,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,261.91 : 466,685.52 = 192,963.30 : x
  2. Step 2: Convert to fraction form
    338,261.91/466,685.52 = 192,963.30/x
  3. Step 3: Cross multiply
    338,261.91x = 466,685.52 × 192,963.30
  4. Step 4: Simplify right side
    338,261.91x = 90,053,178,001.42
  5. Step 5: Solve for x
    x = 90,053,178,001.42/338,261.91
  6. Step 6: Final answer
    x = 266,223.23

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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.