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Finding the Fourth Proportional to 494,497.80, 741,746.70 and 461,320.20

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Solution

The fourth proportional to 494,497.80, 741,746.70 and 461,320.20 is: 691,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,497.80 : 741,746.70 = 461,320.20 : x
  2. Step 2: Convert to fraction form
    494,497.80/741,746.70 = 461,320.20/x
  3. Step 3: Cross multiply
    494,497.80x = 741,746.70 × 461,320.20
  4. Step 4: Simplify right side
    494,497.80x = 342,182,735,993.34
  5. Step 5: Solve for x
    x = 342,182,735,993.34/494,497.80
  6. Step 6: Final answer
    x = 691,980.30

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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.