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Finding the Fourth Proportional to 271,365.96, 407,068.43 and 71,684.40

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Solution

The fourth proportional to 271,365.96, 407,068.43 and 71,684.40 is: 107,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,365.96 : 407,068.43 = 71,684.40 : x
  2. Step 2: Convert to fraction form
    271,365.96/407,068.43 = 71,684.40/x
  3. Step 3: Cross multiply
    271,365.96x = 407,068.43 × 71,684.40
  4. Step 4: Simplify right side
    271,365.96x = 29,180,455,805.07
  5. Step 5: Solve for x
    x = 29,180,455,805.07/271,365.96
  6. Step 6: Final answer
    x = 107,531.75

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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.