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Finding the Fourth Proportional to 499,768.65, 749,652.39 and 162,808.77

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Solution

The fourth proportional to 499,768.65, 749,652.39 and 162,808.77 is: 244,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,768.65 : 749,652.39 = 162,808.77 : x
  2. Step 2: Convert to fraction form
    499,768.65/749,652.39 = 162,808.77/x
  3. Step 3: Cross multiply
    499,768.65x = 749,652.39 × 162,808.77
  4. Step 4: Simplify right side
    499,768.65x = 122,049,983,543.46
  5. Step 5: Solve for x
    x = 122,049,983,543.46/499,768.65
  6. Step 6: Final answer
    x = 244,212.96

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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.