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Finding the Fourth Proportional to 351,347.60, 527,021.40 and 267,366.80

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Solution

The fourth proportional to 351,347.60, 527,021.40 and 267,366.80 is: 401,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,347.60 : 527,021.40 = 267,366.80 : x
  2. Step 2: Convert to fraction form
    351,347.60/527,021.40 = 267,366.80/x
  3. Step 3: Cross multiply
    351,347.60x = 527,021.40 × 267,366.80
  4. Step 4: Simplify right side
    351,347.60x = 140,908,025,249.52
  5. Step 5: Solve for x
    x = 140,908,025,249.52/351,347.60
  6. Step 6: Final answer
    x = 401,050.20

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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.