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Finding the Fourth Proportional to 374,683.77, 517,067.69 and 204,914.25

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Solution

The fourth proportional to 374,683.77, 517,067.69 and 204,914.25 is: 282,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,683.77 : 517,067.69 = 204,914.25 : x
  2. Step 2: Convert to fraction form
    374,683.77/517,067.69 = 204,914.25/x
  3. Step 3: Cross multiply
    374,683.77x = 517,067.69 × 204,914.25
  4. Step 4: Simplify right side
    374,683.77x = 105,954,536,871.01
  5. Step 5: Solve for x
    x = 105,954,536,871.01/374,683.77
  6. Step 6: Final answer
    x = 282,783.90

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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.