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Finding the Fourth Proportional to 866,066.70, 1,298,408.85 and 367,020.30

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Solution

The fourth proportional to 866,066.70, 1,298,408.85 and 367,020.30 is: 550,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,066.70 : 1,298,408.85 = 367,020.30 : x
  2. Step 2: Convert to fraction form
    866,066.70/1,298,408.85 = 367,020.30/x
  3. Step 3: Cross multiply
    866,066.70x = 1,298,408.85 × 367,020.30
  4. Step 4: Simplify right side
    866,066.70x = 476,542,405,649.66
  5. Step 5: Solve for x
    x = 476,542,405,649.66/866,066.70
  6. Step 6: Final answer
    x = 550,237.53

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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.