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Finding the Fourth Proportional to 273,844.40, 411,025.80 and 168,868.40

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Solution

The fourth proportional to 273,844.40, 411,025.80 and 168,868.40 is: 253,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,844.40 : 411,025.80 = 168,868.40 : x
  2. Step 2: Convert to fraction form
    273,844.40/411,025.80 = 168,868.40/x
  3. Step 3: Cross multiply
    273,844.40x = 411,025.80 × 168,868.40
  4. Step 4: Simplify right side
    273,844.40x = 69,409,269,204.72
  5. Step 5: Solve for x
    x = 69,409,269,204.72/273,844.40
  6. Step 6: Final answer
    x = 253,462.44

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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.