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Finding the Fourth Proportional to 271,428.88, 374,574.12 and 150,578.04

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Solution

The fourth proportional to 271,428.88, 374,574.12 and 150,578.04 is: 207,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,428.88 : 374,574.12 = 150,578.04 : x
  2. Step 2: Convert to fraction form
    271,428.88/374,574.12 = 150,578.04/x
  3. Step 3: Cross multiply
    271,428.88x = 374,574.12 × 150,578.04
  4. Step 4: Simplify right side
    271,428.88x = 56,402,636,824.32
  5. Step 5: Solve for x
    x = 56,402,636,824.32/271,428.88
  6. Step 6: Final answer
    x = 207,798.95

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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.