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Finding the Fourth Proportional to 868,041, 1,302,767.82 and 447,437.16

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Solution

The fourth proportional to 868,041, 1,302,767.82 and 447,437.16 is: 671,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,041 : 1,302,767.82 = 447,437.16 : x
  2. Step 2: Convert to fraction form
    868,041/1,302,767.82 = 447,437.16/x
  3. Step 3: Cross multiply
    868,041x = 1,302,767.82 × 447,437.16
  4. Step 4: Simplify right side
    868,041x = 582,906,733,520.19
  5. Step 5: Solve for x
    x = 582,906,733,520.19/868,041
  6. Step 6: Final answer
    x = 671,519.82

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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.