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Finding the Fourth Proportional to 499,762.38, 749,642.97 and 162,802.49

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Solution

The fourth proportional to 499,762.38, 749,642.97 and 162,802.49 is: 244,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,762.38 : 749,642.97 = 162,802.49 : x
  2. Step 2: Convert to fraction form
    499,762.38/749,642.97 = 162,802.49/x
  3. Step 3: Cross multiply
    499,762.38x = 749,642.97 × 162,802.49
  4. Step 4: Simplify right side
    499,762.38x = 122,043,738,378.78
  5. Step 5: Solve for x
    x = 122,043,738,378.78/499,762.38
  6. Step 6: Final answer
    x = 244,203.53

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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.