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Finding the Fourth Proportional to 499,770.56, 749,655.20 and 162,810.65

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Solution

The fourth proportional to 499,770.56, 749,655.20 and 162,810.65 is: 244,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,770.56 : 749,655.20 = 162,810.65 : x
  2. Step 2: Convert to fraction form
    499,770.56/749,655.20 = 162,810.65/x
  3. Step 3: Cross multiply
    499,770.56x = 749,655.20 × 162,810.65
  4. Step 4: Simplify right side
    499,770.56x = 122,051,845,825.55
  5. Step 5: Solve for x
    x = 122,051,845,825.55/499,770.56
  6. Step 6: Final answer
    x = 244,215.76

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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.