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Finding the Fourth Proportional to 348,546.52, 522,819.69 and 99,228.52

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Solution

The fourth proportional to 348,546.52, 522,819.69 and 99,228.52 is: 148,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,546.52 : 522,819.69 = 99,228.52 : x
  2. Step 2: Convert to fraction form
    348,546.52/522,819.69 = 99,228.52/x
  3. Step 3: Cross multiply
    348,546.52x = 522,819.69 × 99,228.52
  4. Step 4: Simplify right side
    348,546.52x = 51,878,624,065.56
  5. Step 5: Solve for x
    x = 51,878,624,065.56/348,546.52
  6. Step 6: Final answer
    x = 148,842.75

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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.