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Finding the Fourth Proportional to 271,069.60, 374,208.24 and 180,479.20

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Solution

The fourth proportional to 271,069.60, 374,208.24 and 180,479.20 is: 249,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,069.60 : 374,208.24 = 180,479.20 : x
  2. Step 2: Convert to fraction form
    271,069.60/374,208.24 = 180,479.20/x
  3. Step 3: Cross multiply
    271,069.60x = 374,208.24 × 180,479.20
  4. Step 4: Simplify right side
    271,069.60x = 67,536,803,788.61
  5. Step 5: Solve for x
    x = 67,536,803,788.61/271,069.60
  6. Step 6: Final answer
    x = 249,149.31

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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.