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Finding the Fourth Proportional to 499,859.72, 749,842.37 and 162,926.74

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Solution

The fourth proportional to 499,859.72, 749,842.37 and 162,926.74 is: 244,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,859.72 : 749,842.37 = 162,926.74 : x
  2. Step 2: Convert to fraction form
    499,859.72/749,842.37 = 162,926.74/x
  3. Step 3: Cross multiply
    499,859.72x = 749,842.37 × 162,926.74
  4. Step 4: Simplify right side
    499,859.72x = 122,169,368,294.13
  5. Step 5: Solve for x
    x = 122,169,368,294.13/499,859.72
  6. Step 6: Final answer
    x = 244,407.31

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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.