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Finding the Fourth Proportional to 267,110.10, 400,665.15 and 255,300.30

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Solution

The fourth proportional to 267,110.10, 400,665.15 and 255,300.30 is: 382,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,110.10 : 400,665.15 = 255,300.30 : x
  2. Step 2: Convert to fraction form
    267,110.10/400,665.15 = 255,300.30/x
  3. Step 3: Cross multiply
    267,110.10x = 400,665.15 × 255,300.30
  4. Step 4: Simplify right side
    267,110.10x = 102,289,932,994.55
  5. Step 5: Solve for x
    x = 102,289,932,994.55/267,110.10
  6. Step 6: Final answer
    x = 382,950.45

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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.