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Finding the Fourth Proportional to 355,846.60, 533,770.25 and 145,484.54

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Solution

The fourth proportional to 355,846.60, 533,770.25 and 145,484.54 is: 218,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,846.60 : 533,770.25 = 145,484.54 : x
  2. Step 2: Convert to fraction form
    355,846.60/533,770.25 = 145,484.54/x
  3. Step 3: Cross multiply
    355,846.60x = 533,770.25 × 145,484.54
  4. Step 4: Simplify right side
    355,846.60x = 77,655,319,286.94
  5. Step 5: Solve for x
    x = 77,655,319,286.94/355,846.60
  6. Step 6: Final answer
    x = 218,226.95

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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.