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Finding the Fourth Proportional to 621,262.60, 931,893.84 and 200,600.44

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Solution

The fourth proportional to 621,262.60, 931,893.84 and 200,600.44 is: 300,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,262.60 : 931,893.84 = 200,600.44 : x
  2. Step 2: Convert to fraction form
    621,262.60/931,893.84 = 200,600.44/x
  3. Step 3: Cross multiply
    621,262.60x = 931,893.84 × 200,600.44
  4. Step 4: Simplify right side
    621,262.60x = 186,938,314,337.29
  5. Step 5: Solve for x
    x = 186,938,314,337.29/621,262.60
  6. Step 6: Final answer
    x = 300,900.64

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Double scale
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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.