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Finding the Fourth Proportional to 576,787.65, 864,619.12 and 230,467.92

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Solution

The fourth proportional to 576,787.65, 864,619.12 and 230,467.92 is: 345,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,787.65 : 864,619.12 = 230,467.92 : x
  2. Step 2: Convert to fraction form
    576,787.65/864,619.12 = 230,467.92/x
  3. Step 3: Cross multiply
    576,787.65x = 864,619.12 × 230,467.92
  4. Step 4: Simplify right side
    576,787.65x = 199,266,970,178.63
  5. Step 5: Solve for x
    x = 199,266,970,178.63/576,787.65
  6. Step 6: Final answer
    x = 345,477.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.