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Finding the Fourth Proportional to 350,308.34, 483,224.04 and 221,200.82

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Solution

The fourth proportional to 350,308.34, 483,224.04 and 221,200.82 is: 305,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,308.34 : 483,224.04 = 221,200.82 : x
  2. Step 2: Convert to fraction form
    350,308.34/483,224.04 = 221,200.82/x
  3. Step 3: Cross multiply
    350,308.34x = 483,224.04 × 221,200.82
  4. Step 4: Simplify right side
    350,308.34x = 106,889,553,891.71
  5. Step 5: Solve for x
    x = 106,889,553,891.71/350,308.34
  6. Step 6: Final answer
    x = 305,129.91

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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.