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Finding the Fourth Proportional to 594,408.20, 820,283.22 and 339,764.85

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Solution

The fourth proportional to 594,408.20, 820,283.22 and 339,764.85 is: 468,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,408.20 : 820,283.22 = 339,764.85 : x
  2. Step 2: Convert to fraction form
    594,408.20/820,283.22 = 339,764.85/x
  3. Step 3: Cross multiply
    594,408.20x = 820,283.22 × 339,764.85
  4. Step 4: Simplify right side
    594,408.20x = 278,703,405,200.82
  5. Step 5: Solve for x
    x = 278,703,405,200.82/594,408.20
  6. Step 6: Final answer
    x = 468,875.44

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1.5x scale

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.