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Finding the Fourth Proportional to 292,843.35, 404,133.21 and 190,934.64

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Solution

The fourth proportional to 292,843.35, 404,133.21 and 190,934.64 is: 263,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,843.35 : 404,133.21 = 190,934.64 : x
  2. Step 2: Convert to fraction form
    292,843.35/404,133.21 = 190,934.64/x
  3. Step 3: Cross multiply
    292,843.35x = 404,133.21 × 190,934.64
  4. Step 4: Simplify right side
    292,843.35x = 77,163,028,963.39
  5. Step 5: Solve for x
    x = 77,163,028,963.39/292,843.35
  6. Step 6: Final answer
    x = 263,495.92

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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.