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Finding the Fourth Proportional to 594,648.39, 820,620.81 and 322,718.67

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Solution

The fourth proportional to 594,648.39, 820,620.81 and 322,718.67 is: 445,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,648.39 : 820,620.81 = 322,718.67 : x
  2. Step 2: Convert to fraction form
    594,648.39/820,620.81 = 322,718.67/x
  3. Step 3: Cross multiply
    594,648.39x = 820,620.81 × 322,718.67
  4. Step 4: Simplify right side
    594,648.39x = 264,829,656,377.52
  5. Step 5: Solve for x
    x = 264,829,656,377.52/594,648.39
  6. Step 6: Final answer
    x = 445,355.04

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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.