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Finding the Fourth Proportional to 322,835.28, 484,330.68 and 101,219.28

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Solution

The fourth proportional to 322,835.28, 484,330.68 and 101,219.28 is: 151,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,835.28 : 484,330.68 = 101,219.28 : x
  2. Step 2: Convert to fraction form
    322,835.28/484,330.68 = 101,219.28/x
  3. Step 3: Cross multiply
    322,835.28x = 484,330.68 × 101,219.28
  4. Step 4: Simplify right side
    322,835.28x = 49,023,602,711.51
  5. Step 5: Solve for x
    x = 49,023,602,711.51/322,835.28
  6. Step 6: Final answer
    x = 151,853.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.