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Finding the Fourth Proportional to 482,878.30, 666,380.43 and 265,107.24

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Solution

The fourth proportional to 482,878.30, 666,380.43 and 265,107.24 is: 365,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,878.30 : 666,380.43 = 265,107.24 : x
  2. Step 2: Convert to fraction form
    482,878.30/666,380.43 = 265,107.24/x
  3. Step 3: Cross multiply
    482,878.30x = 666,380.43 × 265,107.24
  4. Step 4: Simplify right side
    482,878.30x = 176,662,276,587.31
  5. Step 5: Solve for x
    x = 176,662,276,587.31/482,878.30
  6. Step 6: Final answer
    x = 365,852.59

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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.