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Finding the Fourth Proportional to 503,498.64, 755,026.38 and 266,786.76

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Solution

The fourth proportional to 503,498.64, 755,026.38 and 266,786.76 is: 400,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,498.64 : 755,026.38 = 266,786.76 : x
  2. Step 2: Convert to fraction form
    503,498.64/755,026.38 = 266,786.76/x
  3. Step 3: Cross multiply
    503,498.64x = 755,026.38 × 266,786.76
  4. Step 4: Simplify right side
    503,498.64x = 201,431,041,634.73
  5. Step 5: Solve for x
    x = 201,431,041,634.73/503,498.64
  6. Step 6: Final answer
    x = 400,062.73

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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.