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Finding the Fourth Proportional to 564,029.52, 778,253.04 and 322,388.70

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Solution

The fourth proportional to 564,029.52, 778,253.04 and 322,388.70 is: 444,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,029.52 : 778,253.04 = 322,388.70 : x
  2. Step 2: Convert to fraction form
    564,029.52/778,253.04 = 322,388.70/x
  3. Step 3: Cross multiply
    564,029.52x = 778,253.04 × 322,388.70
  4. Step 4: Simplify right side
    564,029.52x = 250,899,985,836.65
  5. Step 5: Solve for x
    x = 250,899,985,836.65/564,029.52
  6. Step 6: Final answer
    x = 444,834.85

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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.