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Finding the Fourth Proportional to 894,805.92, 1,234,832.31 and 492,397.92

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Solution

The fourth proportional to 894,805.92, 1,234,832.31 and 492,397.92 is: 679,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,805.92 : 1,234,832.31 = 492,397.92 : x
  2. Step 2: Convert to fraction form
    894,805.92/1,234,832.31 = 492,397.92/x
  3. Step 3: Cross multiply
    894,805.92x = 1,234,832.31 × 492,397.92
  4. Step 4: Simplify right side
    894,805.92x = 608,028,860,992.80
  5. Step 5: Solve for x
    x = 608,028,860,992.80/894,805.92
  6. Step 6: Final answer
    x = 679,509.21

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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.