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Finding the Fourth Proportional to 494,707.80, 742,061.70 and 444,844.20

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Solution

The fourth proportional to 494,707.80, 742,061.70 and 444,844.20 is: 667,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,707.80 : 742,061.70 = 444,844.20 : x
  2. Step 2: Convert to fraction form
    494,707.80/742,061.70 = 444,844.20/x
  3. Step 3: Cross multiply
    494,707.80x = 742,061.70 × 444,844.20
  4. Step 4: Simplify right side
    494,707.80x = 330,101,843,287.14
  5. Step 5: Solve for x
    x = 330,101,843,287.14/494,707.80
  6. Step 6: Final answer
    x = 667,266.30

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Similar ratio
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1.5x scale

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.