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Finding the Fourth Proportional to 609,149.15, 840,361.95 and 367,297.36

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Solution

The fourth proportional to 609,149.15, 840,361.95 and 367,297.36 is: 506,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,149.15 : 840,361.95 = 367,297.36 : x
  2. Step 2: Convert to fraction form
    609,149.15/840,361.95 = 367,297.36/x
  3. Step 3: Cross multiply
    609,149.15x = 840,361.95 × 367,297.36
  4. Step 4: Simplify right side
    609,149.15x = 308,662,723,764.46
  5. Step 5: Solve for x
    x = 308,662,723,764.46/609,149.15
  6. Step 6: Final answer
    x = 506,711.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.