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Finding the Fourth Proportional to 482,879.88, 666,363.96 and 268,007.04

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Solution

The fourth proportional to 482,879.88, 666,363.96 and 268,007.04 is: 369,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,879.88 : 666,363.96 = 268,007.04 : x
  2. Step 2: Convert to fraction form
    482,879.88/666,363.96 = 268,007.04/x
  3. Step 3: Cross multiply
    482,879.88x = 666,363.96 × 268,007.04
  4. Step 4: Simplify right side
    482,879.88x = 178,590,232,482.28
  5. Step 5: Solve for x
    x = 178,590,232,482.28/482,879.88
  6. Step 6: Final answer
    x = 369,844.01

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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.