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Finding the Fourth Proportional to 564,570.56, 779,104.04 and 306,452.64

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Solution

The fourth proportional to 564,570.56, 779,104.04 and 306,452.64 is: 422,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,570.56 : 779,104.04 = 306,452.64 : x
  2. Step 2: Convert to fraction form
    564,570.56/779,104.04 = 306,452.64/x
  3. Step 3: Cross multiply
    564,570.56x = 779,104.04 × 306,452.64
  4. Step 4: Simplify right side
    564,570.56x = 238,758,489,892.67
  5. Step 5: Solve for x
    x = 238,758,489,892.67/564,570.56
  6. Step 6: Final answer
    x = 422,902.83

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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.