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Finding the Fourth Proportional to 404,640.32, 558,360.32 and 232,523.44

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Solution

The fourth proportional to 404,640.32, 558,360.32 and 232,523.44 is: 320,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,640.32 : 558,360.32 = 232,523.44 : x
  2. Step 2: Convert to fraction form
    404,640.32/558,360.32 = 232,523.44/x
  3. Step 3: Cross multiply
    404,640.32x = 558,360.32 × 232,523.44
  4. Step 4: Simplify right side
    404,640.32x = 129,831,862,365.90
  5. Step 5: Solve for x
    x = 129,831,862,365.90/404,640.32
  6. Step 6: Final answer
    x = 320,857.45

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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.