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Finding the Fourth Proportional to 404,908.75, 558,774.12 and 235,153.81

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Solution

The fourth proportional to 404,908.75, 558,774.12 and 235,153.81 is: 324,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,908.75 : 558,774.12 = 235,153.81 : x
  2. Step 2: Convert to fraction form
    404,908.75/558,774.12 = 235,153.81/x
  3. Step 3: Cross multiply
    404,908.75x = 558,774.12 × 235,153.81
  4. Step 4: Simplify right side
    404,908.75x = 131,397,863,247.40
  5. Step 5: Solve for x
    x = 131,397,863,247.40/404,908.75
  6. Step 6: Final answer
    x = 324,512.28

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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.