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Finding the Fourth Proportional to 503,503.68, 755,033.88 and 266,791.76

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Solution

The fourth proportional to 503,503.68, 755,033.88 and 266,791.76 is: 400,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,503.68 : 755,033.88 = 266,791.76 : x
  2. Step 2: Convert to fraction form
    503,503.68/755,033.88 = 266,791.76/x
  3. Step 3: Cross multiply
    503,503.68x = 755,033.88 × 266,791.76
  4. Step 4: Simplify right side
    503,503.68x = 201,436,817,704.83
  5. Step 5: Solve for x
    x = 201,436,817,704.83/503,503.68
  6. Step 6: Final answer
    x = 400,070.20

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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.