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Finding the Fourth Proportional to 271,304.40, 374,366.70 and 163,882.20

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Solution

The fourth proportional to 271,304.40, 374,366.70 and 163,882.20 is: 226,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,304.40 : 374,366.70 = 163,882.20 : x
  2. Step 2: Convert to fraction form
    271,304.40/374,366.70 = 163,882.20/x
  3. Step 3: Cross multiply
    271,304.40x = 374,366.70 × 163,882.20
  4. Step 4: Simplify right side
    271,304.40x = 61,352,038,402.74
  5. Step 5: Solve for x
    x = 61,352,038,402.74/271,304.40
  6. Step 6: Final answer
    x = 226,137.28

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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.