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Finding the Fourth Proportional to 439,010.86, 658,116.99 and 168,966.77

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Solution

The fourth proportional to 439,010.86, 658,116.99 and 168,966.77 is: 253,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,010.86 : 658,116.99 = 168,966.77 : x
  2. Step 2: Convert to fraction form
    439,010.86/658,116.99 = 168,966.77/x
  3. Step 3: Cross multiply
    439,010.86x = 658,116.99 × 168,966.77
  4. Step 4: Simplify right side
    439,010.86x = 111,199,900,086.21
  5. Step 5: Solve for x
    x = 111,199,900,086.21/439,010.86
  6. Step 6: Final answer
    x = 253,296.47

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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.