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Finding the Fourth Proportional to 271,312.48, 374,334.72 and 213,773.40

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Solution

The fourth proportional to 271,312.48, 374,334.72 and 213,773.40 is: 294,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,312.48 : 374,334.72 = 213,773.40 : x
  2. Step 2: Convert to fraction form
    271,312.48/374,334.72 = 213,773.40/x
  3. Step 3: Cross multiply
    271,312.48x = 374,334.72 × 213,773.40
  4. Step 4: Simplify right side
    271,312.48x = 80,022,805,832.45
  5. Step 5: Solve for x
    x = 80,022,805,832.45/271,312.48
  6. Step 6: Final answer
    x = 294,947.01

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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.