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Finding the Fourth Proportional to 271,111.60, 374,266.20 and 180,521.20

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Solution

The fourth proportional to 271,111.60, 374,266.20 and 180,521.20 is: 249,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,111.60 : 374,266.20 = 180,521.20 : x
  2. Step 2: Convert to fraction form
    271,111.60/374,266.20 = 180,521.20/x
  3. Step 3: Cross multiply
    271,111.60x = 374,266.20 × 180,521.20
  4. Step 4: Simplify right side
    271,111.60x = 67,562,983,543.44
  5. Step 5: Solve for x
    x = 67,562,983,543.44/271,111.60
  6. Step 6: Final answer
    x = 249,207.28

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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.