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Finding the Fourth Proportional to 626,593.92, 939,191.03 and 576,150.76

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Solution

The fourth proportional to 626,593.92, 939,191.03 and 576,150.76 is: 863,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,593.92 : 939,191.03 = 576,150.76 : x
  2. Step 2: Convert to fraction form
    626,593.92/939,191.03 = 576,150.76/x
  3. Step 3: Cross multiply
    626,593.92x = 939,191.03 × 576,150.76
  4. Step 4: Simplify right side
    626,593.92x = 541,115,629,414.33
  5. Step 5: Solve for x
    x = 541,115,629,414.33/626,593.92
  6. Step 6: Final answer
    x = 863,582.64

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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.