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Finding the Fourth Proportional to 798,840, 1,102,408.04 and 436,274.56

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Solution

The fourth proportional to 798,840, 1,102,408.04 and 436,274.56 is: 602,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,840 : 1,102,408.04 = 436,274.56 : x
  2. Step 2: Convert to fraction form
    798,840/1,102,408.04 = 436,274.56/x
  3. Step 3: Cross multiply
    798,840x = 1,102,408.04 × 436,274.56
  4. Step 4: Simplify right side
    798,840x = 480,952,582,591.46
  5. Step 5: Solve for x
    x = 480,952,582,591.46/798,840
  6. Step 6: Final answer
    x = 602,063.72

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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.