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Finding the Fourth Proportional to 505,553.52, 697,664.16 and 276,114

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Solution

The fourth proportional to 505,553.52, 697,664.16 and 276,114 is: 381,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,553.52 : 697,664.16 = 276,114 : x
  2. Step 2: Convert to fraction form
    505,553.52/697,664.16 = 276,114/x
  3. Step 3: Cross multiply
    505,553.52x = 697,664.16 × 276,114
  4. Step 4: Simplify right side
    505,553.52x = 192,634,841,874.24
  5. Step 5: Solve for x
    x = 192,634,841,874.24/505,553.52
  6. Step 6: Final answer
    x = 381,037.49

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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.