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Finding the Fourth Proportional to 271,707.90, 407,869.05 and 160,962.30

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Solution

The fourth proportional to 271,707.90, 407,869.05 and 160,962.30 is: 241,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,707.90 : 407,869.05 = 160,962.30 : x
  2. Step 2: Convert to fraction form
    271,707.90/407,869.05 = 160,962.30/x
  3. Step 3: Cross multiply
    271,707.90x = 407,869.05 × 160,962.30
  4. Step 4: Simplify right side
    271,707.90x = 65,651,540,386.82
  5. Step 5: Solve for x
    x = 65,651,540,386.82/271,707.90
  6. Step 6: Final answer
    x = 241,625.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.