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Finding the Fourth Proportional to 622,713.74, 859,046.66 and 598,571.66

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Solution

The fourth proportional to 622,713.74, 859,046.66 and 598,571.66 is: 825,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,713.74 : 859,046.66 = 598,571.66 : x
  2. Step 2: Convert to fraction form
    622,713.74/859,046.66 = 598,571.66/x
  3. Step 3: Cross multiply
    622,713.74x = 859,046.66 × 598,571.66
  4. Step 4: Simplify right side
    622,713.74x = 514,200,985,293.66
  5. Step 5: Solve for x
    x = 514,200,985,293.66/622,713.74
  6. Step 6: Final answer
    x = 825,742.15

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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.