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Finding the Fourth Proportional to 503,999.70, 756,874.35 and 267,803.70

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Solution

The fourth proportional to 503,999.70, 756,874.35 and 267,803.70 is: 402,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,999.70 : 756,874.35 = 267,803.70 : x
  2. Step 2: Convert to fraction form
    503,999.70/756,874.35 = 267,803.70/x
  3. Step 3: Cross multiply
    503,999.70x = 756,874.35 × 267,803.70
  4. Step 4: Simplify right side
    503,999.70x = 202,693,751,365.10
  5. Step 5: Solve for x
    x = 202,693,751,365.10/503,999.70
  6. Step 6: Final answer
    x = 402,170.38

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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.