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Finding the Fourth Proportional to 302,703.40, 453,836.40 and 169,624.45

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Solution

The fourth proportional to 302,703.40, 453,836.40 and 169,624.45 is: 254,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,703.40 : 453,836.40 = 169,624.45 : x
  2. Step 2: Convert to fraction form
    302,703.40/453,836.40 = 169,624.45/x
  3. Step 3: Cross multiply
    302,703.40x = 453,836.40 × 169,624.45
  4. Step 4: Simplify right side
    302,703.40x = 76,981,749,739.98
  5. Step 5: Solve for x
    x = 76,981,749,739.98/302,703.40
  6. Step 6: Final answer
    x = 254,314.12

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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.