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Finding the Fourth Proportional to 271,348.65, 374,459.14 and 148,843.84

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Solution

The fourth proportional to 271,348.65, 374,459.14 and 148,843.84 is: 205,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,348.65 : 374,459.14 = 148,843.84 : x
  2. Step 2: Convert to fraction form
    271,348.65/374,459.14 = 148,843.84/x
  3. Step 3: Cross multiply
    271,348.65x = 374,459.14 × 148,843.84
  4. Step 4: Simplify right side
    271,348.65x = 55,735,936,320.70
  5. Step 5: Solve for x
    x = 55,735,936,320.70/271,348.65
  6. Step 6: Final answer
    x = 205,403.40

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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.