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Finding the Fourth Proportional to 302,663.88, 453,978.54 and 115,694.28

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Solution

The fourth proportional to 302,663.88, 453,978.54 and 115,694.28 is: 173,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,663.88 : 453,978.54 = 115,694.28 : x
  2. Step 2: Convert to fraction form
    302,663.88/453,978.54 = 115,694.28/x
  3. Step 3: Cross multiply
    302,663.88x = 453,978.54 × 115,694.28
  4. Step 4: Simplify right side
    302,663.88x = 52,522,720,320.75
  5. Step 5: Solve for x
    x = 52,522,720,320.75/302,663.88
  6. Step 6: Final answer
    x = 173,534.81

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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.