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Finding the Fourth Proportional to 620,996.27, 931,494.40 and 200,272.14

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Solution

The fourth proportional to 620,996.27, 931,494.40 and 200,272.14 is: 300,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,996.27 : 931,494.40 = 200,272.14 : x
  2. Step 2: Convert to fraction form
    620,996.27/931,494.40 = 200,272.14/x
  3. Step 3: Cross multiply
    620,996.27x = 931,494.40 × 200,272.14
  4. Step 4: Simplify right side
    620,996.27x = 186,552,376,385.34
  5. Step 5: Solve for x
    x = 186,552,376,385.34/620,996.27
  6. Step 6: Final answer
    x = 300,408.21

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Similar ratio
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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.