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Finding the Fourth Proportional to 350,877.37, 484,215.75 and 214,861.69

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Solution

The fourth proportional to 350,877.37, 484,215.75 and 214,861.69 is: 296,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,877.37 : 484,215.75 = 214,861.69 : x
  2. Step 2: Convert to fraction form
    350,877.37/484,215.75 = 214,861.69/x
  3. Step 3: Cross multiply
    350,877.37x = 484,215.75 × 214,861.69
  4. Step 4: Simplify right side
    350,877.37x = 104,039,414,369.62
  5. Step 5: Solve for x
    x = 104,039,414,369.62/350,877.37
  6. Step 6: Final answer
    x = 296,512.18

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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.