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Finding the Fourth Proportional to 486,095.64, 670,796.28 and 265,324.44

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Solution

The fourth proportional to 486,095.64, 670,796.28 and 265,324.44 is: 366,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,095.64 : 670,796.28 = 265,324.44 : x
  2. Step 2: Convert to fraction form
    486,095.64/670,796.28 = 265,324.44/x
  3. Step 3: Cross multiply
    486,095.64x = 670,796.28 × 265,324.44
  4. Step 4: Simplify right side
    486,095.64x = 177,978,647,345.08
  5. Step 5: Solve for x
    x = 177,978,647,345.08/486,095.64
  6. Step 6: Final answer
    x = 366,139.16

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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.