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Finding the Fourth Proportional to 503,325.16, 694,562.34 and 276,927.40

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Solution

The fourth proportional to 503,325.16, 694,562.34 and 276,927.40 is: 382,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,325.16 : 694,562.34 = 276,927.40 : x
  2. Step 2: Convert to fraction form
    503,325.16/694,562.34 = 276,927.40/x
  3. Step 3: Cross multiply
    503,325.16x = 694,562.34 × 276,927.40
  4. Step 4: Simplify right side
    503,325.16x = 192,343,342,954.12
  5. Step 5: Solve for x
    x = 192,343,342,954.12/503,325.16
  6. Step 6: Final answer
    x = 382,145.30

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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.