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Finding the Fourth Proportional to 271,805.58, 375,061.86 and 155,520.36

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Solution

The fourth proportional to 271,805.58, 375,061.86 and 155,520.36 is: 214,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,805.58 : 375,061.86 = 155,520.36 : x
  2. Step 2: Convert to fraction form
    271,805.58/375,061.86 = 155,520.36/x
  3. Step 3: Cross multiply
    271,805.58x = 375,061.86 × 155,520.36
  4. Step 4: Simplify right side
    271,805.58x = 58,329,755,489.47
  5. Step 5: Solve for x
    x = 58,329,755,489.47/271,805.58
  6. Step 6: Final answer
    x = 214,601.02

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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.