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Finding the Fourth Proportional to 622,904.20, 934,010.70 and 267,857.80

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Solution

The fourth proportional to 622,904.20, 934,010.70 and 267,857.80 is: 401,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,904.20 : 934,010.70 = 267,857.80 : x
  2. Step 2: Convert to fraction form
    622,904.20/934,010.70 = 267,857.80/x
  3. Step 3: Cross multiply
    622,904.20x = 934,010.70 × 267,857.80
  4. Step 4: Simplify right side
    622,904.20x = 250,182,051,278.46
  5. Step 5: Solve for x
    x = 250,182,051,278.46/622,904.20
  6. Step 6: Final answer
    x = 401,638.09

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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.