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Finding the Fourth Proportional to 351,351.51, 484,865.22 and 190,206.54

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Solution

The fourth proportional to 351,351.51, 484,865.22 and 190,206.54 is: 262,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,351.51 : 484,865.22 = 190,206.54 : x
  2. Step 2: Convert to fraction form
    351,351.51/484,865.22 = 190,206.54/x
  3. Step 3: Cross multiply
    351,351.51x = 484,865.22 × 190,206.54
  4. Step 4: Simplify right side
    351,351.51x = 92,224,535,862.54
  5. Step 5: Solve for x
    x = 92,224,535,862.54/351,351.51
  6. Step 6: Final answer
    x = 262,485.10

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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.