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Finding the Fourth Proportional to 503,303.29, 694,558.51 and 276,948.79

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Solution

The fourth proportional to 503,303.29, 694,558.51 and 276,948.79 is: 382,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,303.29 : 694,558.51 = 276,948.79 : x
  2. Step 2: Convert to fraction form
    503,303.29/694,558.51 = 276,948.79/x
  3. Step 3: Cross multiply
    503,303.29x = 694,558.51 × 276,948.79
  4. Step 4: Simplify right side
    503,303.29x = 192,357,136,499.94
  5. Step 5: Solve for x
    x = 192,357,136,499.94/503,303.29
  6. Step 6: Final answer
    x = 382,189.31

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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.