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Finding the Fourth Proportional to 594,409.70, 820,285.29 and 339,766.35

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Solution

The fourth proportional to 594,409.70, 820,285.29 and 339,766.35 is: 468,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,409.70 : 820,285.29 = 339,766.35 : x
  2. Step 2: Convert to fraction form
    594,409.70/820,285.29 = 339,766.35/x
  3. Step 3: Cross multiply
    594,409.70x = 820,285.29 × 339,766.35
  4. Step 4: Simplify right side
    594,409.70x = 278,705,338,941.99
  5. Step 5: Solve for x
    x = 278,705,338,941.99/594,409.70
  6. Step 6: Final answer
    x = 468,877.51

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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.