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Finding the Fourth Proportional to 564,367.75, 778,605.78 and 322,520.58

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Solution

The fourth proportional to 564,367.75, 778,605.78 and 322,520.58 is: 444,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,367.75 : 778,605.78 = 322,520.58 : x
  2. Step 2: Convert to fraction form
    564,367.75/778,605.78 = 322,520.58/x
  3. Step 3: Cross multiply
    564,367.75x = 778,605.78 × 322,520.58
  4. Step 4: Simplify right side
    564,367.75x = 251,116,386,776.58
  5. Step 5: Solve for x
    x = 251,116,386,776.58/564,367.75
  6. Step 6: Final answer
    x = 444,951.69

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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.