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Finding the Fourth Proportional to 611,067.41, 843,282.27 and 339,152.91

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Solution

The fourth proportional to 611,067.41, 843,282.27 and 339,152.91 is: 468,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,067.41 : 843,282.27 = 339,152.91 : x
  2. Step 2: Convert to fraction form
    611,067.41/843,282.27 = 339,152.91/x
  3. Step 3: Cross multiply
    611,067.41x = 843,282.27 × 339,152.91
  4. Step 4: Simplify right side
    611,067.41x = 286,001,635,821.91
  5. Step 5: Solve for x
    x = 286,001,635,821.91/611,067.41
  6. Step 6: Final answer
    x = 468,036.15

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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.