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Finding the Fourth Proportional to 349,295.25, 482,027.45 and 190,319.25

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Solution

The fourth proportional to 349,295.25, 482,027.45 and 190,319.25 is: 262,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,295.25 : 482,027.45 = 190,319.25 : x
  2. Step 2: Convert to fraction form
    349,295.25/482,027.45 = 190,319.25/x
  3. Step 3: Cross multiply
    349,295.25x = 482,027.45 × 190,319.25
  4. Step 4: Simplify right side
    349,295.25x = 91,739,101,811.82
  5. Step 5: Solve for x
    x = 91,739,101,811.82/349,295.25
  6. Step 6: Final answer
    x = 262,640.57

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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.