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Finding the Fourth Proportional to 499,688.06, 749,584.60 and 162,754.95

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Solution

The fourth proportional to 499,688.06, 749,584.60 and 162,754.95 is: 244,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,688.06 : 749,584.60 = 162,754.95 : x
  2. Step 2: Convert to fraction form
    499,688.06/749,584.60 = 162,754.95/x
  3. Step 3: Cross multiply
    499,688.06x = 749,584.60 × 162,754.95
  4. Step 4: Simplify right side
    499,688.06x = 121,998,603,280.00
  5. Step 5: Solve for x
    x = 121,998,603,280.00/499,688.06
  6. Step 6: Final answer
    x = 244,149.53

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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.