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Finding the Fourth Proportional to 350,951.21, 484,312.67 and 189,806.25

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Solution

The fourth proportional to 350,951.21, 484,312.67 and 189,806.25 is: 261,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,951.21 : 484,312.67 = 189,806.25 : x
  2. Step 2: Convert to fraction form
    350,951.21/484,312.67 = 189,806.25/x
  3. Step 3: Cross multiply
    350,951.21x = 484,312.67 × 189,806.25
  4. Step 4: Simplify right side
    350,951.21x = 91,925,572,587.33
  5. Step 5: Solve for x
    x = 91,925,572,587.33/350,951.21
  6. Step 6: Final answer
    x = 261,932.63

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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.