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Finding the Fourth Proportional to 369,188.25, 509,480.01 and 199,422.42

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Solution

The fourth proportional to 369,188.25, 509,480.01 and 199,422.42 is: 275,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,188.25 : 509,480.01 = 199,422.42 : x
  2. Step 2: Convert to fraction form
    369,188.25/509,480.01 = 199,422.42/x
  3. Step 3: Cross multiply
    369,188.25x = 509,480.01 × 199,422.42
  4. Step 4: Simplify right side
    369,188.25x = 101,601,736,535.82
  5. Step 5: Solve for x
    x = 101,601,736,535.82/369,188.25
  6. Step 6: Final answer
    x = 275,203.06

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1.5x scale

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.