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Finding the Fourth Proportional to 302,830.44, 453,663.51 and 169,305.76

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Solution

The fourth proportional to 302,830.44, 453,663.51 and 169,305.76 is: 253,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,830.44 : 453,663.51 = 169,305.76 : x
  2. Step 2: Convert to fraction form
    302,830.44/453,663.51 = 169,305.76/x
  3. Step 3: Cross multiply
    302,830.44x = 453,663.51 × 169,305.76
  4. Step 4: Simplify right side
    302,830.44x = 76,807,845,344.82
  5. Step 5: Solve for x
    x = 76,807,845,344.82/302,830.44
  6. Step 6: Final answer
    x = 253,633.17

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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.