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Finding the Fourth Proportional to 302,694.40, 453,822.90 and 169,615.45

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Solution

The fourth proportional to 302,694.40, 453,822.90 and 169,615.45 is: 254,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,694.40 : 453,822.90 = 169,615.45 : x
  2. Step 2: Convert to fraction form
    302,694.40/453,822.90 = 169,615.45/x
  3. Step 3: Cross multiply
    302,694.40x = 453,822.90 × 169,615.45
  4. Step 4: Simplify right side
    302,694.40x = 76,975,375,403.81
  5. Step 5: Solve for x
    x = 76,975,375,403.81/302,694.40
  6. Step 6: Final answer
    x = 254,300.63

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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.