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Finding the Fourth Proportional to 503,500.14, 755,028.63 and 266,788.26

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Solution

The fourth proportional to 503,500.14, 755,028.63 and 266,788.26 is: 400,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,500.14 : 755,028.63 = 266,788.26 : x
  2. Step 2: Convert to fraction form
    503,500.14/755,028.63 = 266,788.26/x
  3. Step 3: Cross multiply
    503,500.14x = 755,028.63 × 266,788.26
  4. Step 4: Simplify right side
    503,500.14x = 201,432,774,447.88
  5. Step 5: Solve for x
    x = 201,432,774,447.88/503,500.14
  6. Step 6: Final answer
    x = 400,064.98

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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.