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Finding the Fourth Proportional to 502,235.52, 693,071.36 and 275,881.04

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Solution

The fourth proportional to 502,235.52, 693,071.36 and 275,881.04 is: 380,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,235.52 : 693,071.36 = 275,881.04 : x
  2. Step 2: Convert to fraction form
    502,235.52/693,071.36 = 275,881.04/x
  3. Step 3: Cross multiply
    502,235.52x = 693,071.36 × 275,881.04
  4. Step 4: Simplify right side
    502,235.52x = 191,205,247,591.01
  5. Step 5: Solve for x
    x = 191,205,247,591.01/502,235.52
  6. Step 6: Final answer
    x = 380,708.33

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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.