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Finding the Fourth Proportional to 506,736.18, 699,285.15 and 277,292.55

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Solution

The fourth proportional to 506,736.18, 699,285.15 and 277,292.55 is: 382,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,736.18 : 699,285.15 = 277,292.55 : x
  2. Step 2: Convert to fraction form
    506,736.18/699,285.15 = 277,292.55/x
  3. Step 3: Cross multiply
    506,736.18x = 699,285.15 × 277,292.55
  4. Step 4: Simplify right side
    506,736.18x = 193,906,562,420.63
  5. Step 5: Solve for x
    x = 193,906,562,420.63/506,736.18
  6. Step 6: Final answer
    x = 382,657.82

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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.