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Finding the Fourth Proportional to 369,240.84, 509,552.46 and 199,474.92

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Solution

The fourth proportional to 369,240.84, 509,552.46 and 199,474.92 is: 275,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,240.84 : 509,552.46 = 199,474.92 : x
  2. Step 2: Convert to fraction form
    369,240.84/509,552.46 = 199,474.92/x
  3. Step 3: Cross multiply
    369,240.84x = 509,552.46 × 199,474.92
  4. Step 4: Simplify right side
    369,240.84x = 101,642,936,194.30
  5. Step 5: Solve for x
    x = 101,642,936,194.30/369,240.84
  6. Step 6: Final answer
    x = 275,275.44

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Double scale
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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.