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Finding the Fourth Proportional to 482,642.63, 666,046.93 and 267,782.17

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Solution

The fourth proportional to 482,642.63, 666,046.93 and 267,782.17 is: 369,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,642.63 : 666,046.93 = 267,782.17 : x
  2. Step 2: Convert to fraction form
    482,642.63/666,046.93 = 267,782.17/x
  3. Step 3: Cross multiply
    482,642.63x = 666,046.93 × 267,782.17
  4. Step 4: Simplify right side
    482,642.63x = 178,355,492,237.24
  5. Step 5: Solve for x
    x = 178,355,492,237.24/482,642.63
  6. Step 6: Final answer
    x = 369,539.45

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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.