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Finding the Fourth Proportional to 504,021.54, 695,529 and 274,574.25

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Solution

The fourth proportional to 504,021.54, 695,529 and 274,574.25 is: 378,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,021.54 : 695,529 = 274,574.25 : x
  2. Step 2: Convert to fraction form
    504,021.54/695,529 = 274,574.25/x
  3. Step 3: Cross multiply
    504,021.54x = 695,529 × 274,574.25
  4. Step 4: Simplify right side
    504,021.54x = 190,974,353,528.25
  5. Step 5: Solve for x
    x = 190,974,353,528.25/504,021.54
  6. Step 6: Final answer
    x = 378,901.17

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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.