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Finding the Fourth Proportional to 620,850.14, 931,926.76 and 550,224.62

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Solution

The fourth proportional to 620,850.14, 931,926.76 and 550,224.62 is: 825,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,850.14 : 931,926.76 = 550,224.62 : x
  2. Step 2: Convert to fraction form
    620,850.14/931,926.76 = 550,224.62/x
  3. Step 3: Cross multiply
    620,850.14x = 931,926.76 × 550,224.62
  4. Step 4: Simplify right side
    620,850.14x = 512,769,048,343.09
  5. Step 5: Solve for x
    x = 512,769,048,343.09/620,850.14
  6. Step 6: Final answer
    x = 825,914.36

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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.