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Finding the Fourth Proportional to 453,776.40, 625,747.27 and 300,761.46

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Solution

The fourth proportional to 453,776.40, 625,747.27 and 300,761.46 is: 414,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,776.40 : 625,747.27 = 300,761.46 : x
  2. Step 2: Convert to fraction form
    453,776.40/625,747.27 = 300,761.46/x
  3. Step 3: Cross multiply
    453,776.40x = 625,747.27 × 300,761.46
  4. Step 4: Simplify right side
    453,776.40x = 188,200,662,516.21
  5. Step 5: Solve for x
    x = 188,200,662,516.21/453,776.40
  6. Step 6: Final answer
    x = 414,743.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.