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Finding the Fourth Proportional to 499,764.93, 749,646.81 and 162,805.04

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Solution

The fourth proportional to 499,764.93, 749,646.81 and 162,805.04 is: 244,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,764.93 : 749,646.81 = 162,805.04 : x
  2. Step 2: Convert to fraction form
    499,764.93/749,646.81 = 162,805.04/x
  3. Step 3: Cross multiply
    499,764.93x = 749,646.81 × 162,805.04
  4. Step 4: Simplify right side
    499,764.93x = 122,046,275,139.69
  5. Step 5: Solve for x
    x = 122,046,275,139.69/499,764.93
  6. Step 6: Final answer
    x = 244,207.36

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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.