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Finding the Fourth Proportional to 319,713.57, 441,219.42 and 183,791.52

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Solution

The fourth proportional to 319,713.57, 441,219.42 and 183,791.52 is: 253,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,713.57 : 441,219.42 = 183,791.52 : x
  2. Step 2: Convert to fraction form
    319,713.57/441,219.42 = 183,791.52/x
  3. Step 3: Cross multiply
    319,713.57x = 441,219.42 × 183,791.52
  4. Step 4: Simplify right side
    319,713.57x = 81,092,387,855.32
  5. Step 5: Solve for x
    x = 81,092,387,855.32/319,713.57
  6. Step 6: Final answer
    x = 253,640.74

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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.