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Finding the Fourth Proportional to 344,553.30, 515,663.55 and 302,562.90

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Solution

The fourth proportional to 344,553.30, 515,663.55 and 302,562.90 is: 452,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,553.30 : 515,663.55 = 302,562.90 : x
  2. Step 2: Convert to fraction form
    344,553.30/515,663.55 = 302,562.90/x
  3. Step 3: Cross multiply
    344,553.30x = 515,663.55 × 302,562.90
  4. Step 4: Simplify right side
    344,553.30x = 156,020,659,112.30
  5. Step 5: Solve for x
    x = 156,020,659,112.30/344,553.30
  6. Step 6: Final answer
    x = 452,820.10

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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.