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Finding the Fourth Proportional to 350,886, 484,221.84 and 197,923.68

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Solution

The fourth proportional to 350,886, 484,221.84 and 197,923.68 is: 273,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,886 : 484,221.84 = 197,923.68 : x
  2. Step 2: Convert to fraction form
    350,886/484,221.84 = 197,923.68/x
  3. Step 3: Cross multiply
    350,886x = 484,221.84 × 197,923.68
  4. Step 4: Simplify right side
    350,886x = 95,838,968,509.17
  5. Step 5: Solve for x
    x = 95,838,968,509.17/350,886
  6. Step 6: Final answer
    x = 273,134.20

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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.