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Finding the Fourth Proportional to 350,440.40, 483,607.94 and 189,295.45

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Solution

The fourth proportional to 350,440.40, 483,607.94 and 189,295.45 is: 261,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,440.40 : 483,607.94 = 189,295.45 : x
  2. Step 2: Convert to fraction form
    350,440.40/483,607.94 = 189,295.45/x
  3. Step 3: Cross multiply
    350,440.40x = 483,607.94 × 189,295.45
  4. Step 4: Simplify right side
    350,440.40x = 91,544,781,890.09
  5. Step 5: Solve for x
    x = 91,544,781,890.09/350,440.40
  6. Step 6: Final answer
    x = 261,227.82

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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.