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Finding the Fourth Proportional to 503,334.60, 694,601.28 and 276,980.10

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Solution

The fourth proportional to 503,334.60, 694,601.28 and 276,980.10 is: 382,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,334.60 : 694,601.28 = 276,980.10 : x
  2. Step 2: Convert to fraction form
    503,334.60/694,601.28 = 276,980.10/x
  3. Step 3: Cross multiply
    503,334.60x = 694,601.28 × 276,980.10
  4. Step 4: Simplify right side
    503,334.60x = 192,390,731,994.53
  5. Step 5: Solve for x
    x = 192,390,731,994.53/503,334.60
  6. Step 6: Final answer
    x = 382,232.28

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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.