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Finding the Fourth Proportional to 504,112.74, 695,666.82 and 274,671.93

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Solution

The fourth proportional to 504,112.74, 695,666.82 and 274,671.93 is: 379,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,112.74 : 695,666.82 = 274,671.93 : x
  2. Step 2: Convert to fraction form
    504,112.74/695,666.82 = 274,671.93/x
  3. Step 3: Cross multiply
    504,112.74x = 695,666.82 × 274,671.93
  4. Step 4: Simplify right side
    504,112.74x = 191,080,148,086.36
  5. Step 5: Solve for x
    x = 191,080,148,086.36/504,112.74
  6. Step 6: Final answer
    x = 379,042.49

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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.