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Finding the Fourth Proportional to 695,276.28, 959,494.86 and 453,713.40

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Solution

The fourth proportional to 695,276.28, 959,494.86 and 453,713.40 is: 626,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,276.28 : 959,494.86 = 453,713.40 : x
  2. Step 2: Convert to fraction form
    695,276.28/959,494.86 = 453,713.40/x
  3. Step 3: Cross multiply
    695,276.28x = 959,494.86 × 453,713.40
  4. Step 4: Simplify right side
    695,276.28x = 435,335,675,213.12
  5. Step 5: Solve for x
    x = 435,335,675,213.12/695,276.28
  6. Step 6: Final answer
    x = 626,133.36

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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.