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Finding the Fourth Proportional to 564,268.04, 778,689.92 and 322,555.88

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Solution

The fourth proportional to 564,268.04, 778,689.92 and 322,555.88 is: 445,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,268.04 : 778,689.92 = 322,555.88 : x
  2. Step 2: Convert to fraction form
    564,268.04/778,689.92 = 322,555.88/x
  3. Step 3: Cross multiply
    564,268.04x = 778,689.92 × 322,555.88
  4. Step 4: Simplify right side
    564,268.04x = 251,171,012,392.73
  5. Step 5: Solve for x
    x = 251,171,012,392.73/564,268.04
  6. Step 6: Final answer
    x = 445,127.13

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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.