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Finding the Fourth Proportional to 568,727.34, 785,164.06 and 394,549.19

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Solution

The fourth proportional to 568,727.34, 785,164.06 and 394,549.19 is: 544,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,727.34 : 785,164.06 = 394,549.19 : x
  2. Step 2: Convert to fraction form
    568,727.34/785,164.06 = 394,549.19/x
  3. Step 3: Cross multiply
    568,727.34x = 785,164.06 × 394,549.19
  4. Step 4: Simplify right side
    568,727.34x = 309,785,843,890.11
  5. Step 5: Solve for x
    x = 309,785,843,890.11/568,727.34
  6. Step 6: Final answer
    x = 544,700.11

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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.