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Finding the Fourth Proportional to 504,264.11, 695,866.80 and 274,816.79

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Solution

The fourth proportional to 504,264.11, 695,866.80 and 274,816.79 is: 379,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,264.11 : 695,866.80 = 274,816.79 : x
  2. Step 2: Convert to fraction form
    504,264.11/695,866.80 = 274,816.79/x
  3. Step 3: Cross multiply
    504,264.11x = 695,866.80 × 274,816.79
  4. Step 4: Simplify right side
    504,264.11x = 191,235,877,879.89
  5. Step 5: Solve for x
    x = 191,235,877,879.89/504,264.11
  6. Step 6: Final answer
    x = 379,237.54

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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.