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Finding the Fourth Proportional to 573,640.69, 791,791.02 and 382,653.61

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Solution

The fourth proportional to 573,640.69, 791,791.02 and 382,653.61 is: 528,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,640.69 : 791,791.02 = 382,653.61 : x
  2. Step 2: Convert to fraction form
    573,640.69/791,791.02 = 382,653.61/x
  3. Step 3: Cross multiply
    573,640.69x = 791,791.02 × 382,653.61
  4. Step 4: Simplify right side
    573,640.69x = 302,981,692,168.58
  5. Step 5: Solve for x
    x = 302,981,692,168.58/573,640.69
  6. Step 6: Final answer
    x = 528,173.29

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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.