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Finding the Fourth Proportional to 333,640.98, 500,463.84 and 266,995.80

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Solution

The fourth proportional to 333,640.98, 500,463.84 and 266,995.80 is: 400,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,640.98 : 500,463.84 = 266,995.80 : x
  2. Step 2: Convert to fraction form
    333,640.98/500,463.84 = 266,995.80/x
  3. Step 3: Cross multiply
    333,640.98x = 500,463.84 × 266,995.80
  4. Step 4: Simplify right side
    333,640.98x = 133,621,743,331.87
  5. Step 5: Solve for x
    x = 133,621,743,331.87/333,640.98
  6. Step 6: Final answer
    x = 400,495.60

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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.