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Finding the Fourth Proportional to 268,817.40, 370,813.50 and 168,040.44

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Solution

The fourth proportional to 268,817.40, 370,813.50 and 168,040.44 is: 231,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,817.40 : 370,813.50 = 168,040.44 : x
  2. Step 2: Convert to fraction form
    268,817.40/370,813.50 = 168,040.44/x
  3. Step 3: Cross multiply
    268,817.40x = 370,813.50 × 168,040.44
  4. Step 4: Simplify right side
    268,817.40x = 62,311,663,697.94
  5. Step 5: Solve for x
    x = 62,311,663,697.94/268,817.40
  6. Step 6: Final answer
    x = 231,799.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.