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Finding the Fourth Proportional to 350,729.68, 483,892.76 and 214,621.60

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Solution

The fourth proportional to 350,729.68, 483,892.76 and 214,621.60 is: 296,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,729.68 : 483,892.76 = 214,621.60 : x
  2. Step 2: Convert to fraction form
    350,729.68/483,892.76 = 214,621.60/x
  3. Step 3: Cross multiply
    350,729.68x = 483,892.76 × 214,621.60
  4. Step 4: Simplify right side
    350,729.68x = 103,853,838,379.62
  5. Step 5: Solve for x
    x = 103,853,838,379.62/350,729.68
  6. Step 6: Final answer
    x = 296,107.93

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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.