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Finding the Fourth Proportional to 894,707, 1,234,695.66 and 492,299

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Solution

The fourth proportional to 894,707, 1,234,695.66 and 492,299 is: 679,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,707 : 1,234,695.66 = 492,299 : x
  2. Step 2: Convert to fraction form
    894,707/1,234,695.66 = 492,299/x
  3. Step 3: Cross multiply
    894,707x = 1,234,695.66 × 492,299
  4. Step 4: Simplify right side
    894,707x = 607,839,438,722.34
  5. Step 5: Solve for x
    x = 607,839,438,722.34/894,707
  6. Step 6: Final answer
    x = 679,372.62

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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.