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Finding the Fourth Proportional to 400,245.69, 552,503.37 and 271,360.69

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Solution

The fourth proportional to 400,245.69, 552,503.37 and 271,360.69 is: 374,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,245.69 : 552,503.37 = 271,360.69 : x
  2. Step 2: Convert to fraction form
    400,245.69/552,503.37 = 271,360.69/x
  3. Step 3: Cross multiply
    400,245.69x = 552,503.37 × 271,360.69
  4. Step 4: Simplify right side
    400,245.69x = 149,927,692,948.01
  5. Step 5: Solve for x
    x = 149,927,692,948.01/400,245.69
  6. Step 6: Final answer
    x = 374,589.16

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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.