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Finding the Fourth Proportional to 502,268.84, 693,131.46 and 275,929

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Solution

The fourth proportional to 502,268.84, 693,131.46 and 275,929 is: 380,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,268.84 : 693,131.46 = 275,929 : x
  2. Step 2: Convert to fraction form
    502,268.84/693,131.46 = 275,929/x
  3. Step 3: Cross multiply
    502,268.84x = 693,131.46 × 275,929
  4. Step 4: Simplify right side
    502,268.84x = 191,255,070,626.34
  5. Step 5: Solve for x
    x = 191,255,070,626.34/502,268.84
  6. Step 6: Final answer
    x = 380,782.27

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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.