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Finding the Fourth Proportional to 369,750.91, 510,212.37 and 208,596.55

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Solution

The fourth proportional to 369,750.91, 510,212.37 and 208,596.55 is: 287,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,750.91 : 510,212.37 = 208,596.55 : x
  2. Step 2: Convert to fraction form
    369,750.91/510,212.37 = 208,596.55/x
  3. Step 3: Cross multiply
    369,750.91x = 510,212.37 × 208,596.55
  4. Step 4: Simplify right side
    369,750.91x = 106,428,540,149.32
  5. Step 5: Solve for x
    x = 106,428,540,149.32/369,750.91
  6. Step 6: Final answer
    x = 287,838.48

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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.