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Finding the Fourth Proportional to 271,365.59, 374,051.96 and 213,911.28

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Solution

The fourth proportional to 271,365.59, 374,051.96 and 213,911.28 is: 294,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,365.59 : 374,051.96 = 213,911.28 : x
  2. Step 2: Convert to fraction form
    271,365.59/374,051.96 = 213,911.28/x
  3. Step 3: Cross multiply
    271,365.59x = 374,051.96 × 213,911.28
  4. Step 4: Simplify right side
    271,365.59x = 80,013,931,145.07
  5. Step 5: Solve for x
    x = 80,013,931,145.07/271,365.59
  6. Step 6: Final answer
    x = 294,856.59

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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.