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Finding the Fourth Proportional to 695,932.58, 960,357.92 and 394,126.58

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Solution

The fourth proportional to 695,932.58, 960,357.92 and 394,126.58 is: 543,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,932.58 : 960,357.92 = 394,126.58 : x
  2. Step 2: Convert to fraction form
    695,932.58/960,357.92 = 394,126.58/x
  3. Step 3: Cross multiply
    695,932.58x = 960,357.92 × 394,126.58
  4. Step 4: Simplify right side
    695,932.58x = 378,502,582,585.51
  5. Step 5: Solve for x
    x = 378,502,582,585.51/695,932.58
  6. Step 6: Final answer
    x = 543,878.23

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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.