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Finding the Fourth Proportional to 350,469.72, 483,686.28 and 214,595.28

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Solution

The fourth proportional to 350,469.72, 483,686.28 and 214,595.28 is: 296,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,469.72 : 483,686.28 = 214,595.28 : x
  2. Step 2: Convert to fraction form
    350,469.72/483,686.28 = 214,595.28/x
  3. Step 3: Cross multiply
    350,469.72x = 483,686.28 × 214,595.28
  4. Step 4: Simplify right side
    350,469.72x = 103,796,792,688.76
  5. Step 5: Solve for x
    x = 103,796,792,688.76/350,469.72
  6. Step 6: Final answer
    x = 296,164.79

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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.