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Finding the Fourth Proportional to 564,682.28, 779,169.66 and 322,925.90

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Solution

The fourth proportional to 564,682.28, 779,169.66 and 322,925.90 is: 445,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,682.28 : 779,169.66 = 322,925.90 : x
  2. Step 2: Convert to fraction form
    564,682.28/779,169.66 = 322,925.90/x
  3. Step 3: Cross multiply
    564,682.28x = 779,169.66 × 322,925.90
  4. Step 4: Simplify right side
    564,682.28x = 251,614,063,708.19
  5. Step 5: Solve for x
    x = 251,614,063,708.19/564,682.28
  6. Step 6: Final answer
    x = 445,585.19

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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.