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Finding the Fourth Proportional to 355,998.76, 533,930.07 and 106,680.76

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Solution

The fourth proportional to 355,998.76, 533,930.07 and 106,680.76 is: 160,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,998.76 : 533,930.07 = 106,680.76 : x
  2. Step 2: Convert to fraction form
    355,998.76/533,930.07 = 106,680.76/x
  3. Step 3: Cross multiply
    355,998.76x = 533,930.07 × 106,680.76
  4. Step 4: Simplify right side
    355,998.76x = 56,960,065,654.45
  5. Step 5: Solve for x
    x = 56,960,065,654.45/355,998.76
  6. Step 6: Final answer
    x = 160,000.74

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1.5x scale

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.