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Finding the Fourth Proportional to 494,769.66, 740,982.92 and 314,209.11

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Solution

The fourth proportional to 494,769.66, 740,982.92 and 314,209.11 is: 470,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,769.66 : 740,982.92 = 314,209.11 : x
  2. Step 2: Convert to fraction form
    494,769.66/740,982.92 = 314,209.11/x
  3. Step 3: Cross multiply
    494,769.66x = 740,982.92 × 314,209.11
  4. Step 4: Simplify right side
    494,769.66x = 232,823,583,818.40
  5. Step 5: Solve for x
    x = 232,823,583,818.40/494,769.66
  6. Step 6: Final answer
    x = 470,569.65

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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.