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Finding the Fourth Proportional to 271,379.84, 374,259.08 and 169,414.76

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Solution

The fourth proportional to 271,379.84, 374,259.08 and 169,414.76 is: 233,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,379.84 : 374,259.08 = 169,414.76 : x
  2. Step 2: Convert to fraction form
    271,379.84/374,259.08 = 169,414.76/x
  3. Step 3: Cross multiply
    271,379.84x = 374,259.08 × 169,414.76
  4. Step 4: Simplify right side
    271,379.84x = 63,405,011,470.00
  5. Step 5: Solve for x
    x = 63,405,011,470.00/271,379.84
  6. Step 6: Final answer
    x = 233,639.36

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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.