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Finding the Fourth Proportional to 479,682.99, 719,900.33 and 334,645.56

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Solution

The fourth proportional to 479,682.99, 719,900.33 and 334,645.56 is: 502,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682.99 : 719,900.33 = 334,645.56 : x
  2. Step 2: Convert to fraction form
    479,682.99/719,900.33 = 334,645.56/x
  3. Step 3: Cross multiply
    479,682.99x = 719,900.33 × 334,645.56
  4. Step 4: Simplify right side
    479,682.99x = 240,911,447,403.81
  5. Step 5: Solve for x
    x = 240,911,447,403.81/479,682.99
  6. Step 6: Final answer
    x = 502,230.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.