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Finding the Fourth Proportional to 453,487.62, 626,071.04 and 300,732.03

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Solution

The fourth proportional to 453,487.62, 626,071.04 and 300,732.03 is: 415,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,487.62 : 626,071.04 = 300,732.03 : x
  2. Step 2: Convert to fraction form
    453,487.62/626,071.04 = 300,732.03/x
  3. Step 3: Cross multiply
    453,487.62x = 626,071.04 × 300,732.03
  4. Step 4: Simplify right side
    453,487.62x = 188,279,617,171.76
  5. Step 5: Solve for x
    x = 188,279,617,171.76/453,487.62
  6. Step 6: Final answer
    x = 415,181.38

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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.