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Finding the Fourth Proportional to 439,008.48, 658,498.08 and 186,126.48

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Solution

The fourth proportional to 439,008.48, 658,498.08 and 186,126.48 is: 279,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,008.48 : 658,498.08 = 186,126.48 : x
  2. Step 2: Convert to fraction form
    439,008.48/658,498.08 = 186,126.48/x
  3. Step 3: Cross multiply
    439,008.48x = 658,498.08 × 186,126.48
  4. Step 4: Simplify right side
    439,008.48x = 122,563,929,717.16
  5. Step 5: Solve for x
    x = 122,563,929,717.16/439,008.48
  6. Step 6: Final answer
    x = 279,183.51

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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.