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Finding the Fourth Proportional to 269,559.80, 404,339.70 and 266,060.60

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Solution

The fourth proportional to 269,559.80, 404,339.70 and 266,060.60 is: 399,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,559.80 : 404,339.70 = 266,060.60 : x
  2. Step 2: Convert to fraction form
    269,559.80/404,339.70 = 266,060.60/x
  3. Step 3: Cross multiply
    269,559.80x = 404,339.70 × 266,060.60
  4. Step 4: Simplify right side
    269,559.80x = 107,578,863,185.82
  5. Step 5: Solve for x
    x = 107,578,863,185.82/269,559.80
  6. Step 6: Final answer
    x = 399,090.90

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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.