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Finding the Fourth Proportional to 482,910.09, 666,415.42 and 268,049.71

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Solution

The fourth proportional to 482,910.09, 666,415.42 and 268,049.71 is: 369,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,910.09 : 666,415.42 = 268,049.71 : x
  2. Step 2: Convert to fraction form
    482,910.09/666,415.42 = 268,049.71/x
  3. Step 3: Cross multiply
    482,910.09x = 666,415.42 × 268,049.71
  4. Step 4: Simplify right side
    482,910.09x = 178,632,460,070.53
  5. Step 5: Solve for x
    x = 178,632,460,070.53/482,910.09
  6. Step 6: Final answer
    x = 369,908.32

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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.