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Finding the Fourth Proportional to 503,200.20, 755,675.10 and 267,004.20

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Solution

The fourth proportional to 503,200.20, 755,675.10 and 267,004.20 is: 400,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,200.20 : 755,675.10 = 267,004.20 : x
  2. Step 2: Convert to fraction form
    503,200.20/755,675.10 = 267,004.20/x
  3. Step 3: Cross multiply
    503,200.20x = 755,675.10 × 267,004.20
  4. Step 4: Simplify right side
    503,200.20x = 201,768,425,535.42
  5. Step 5: Solve for x
    x = 201,768,425,535.42/503,200.20
  6. Step 6: Final answer
    x = 400,970.48

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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.