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Finding the Fourth Proportional to 594,723.79, 820,696.87 and 322,785.84

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Solution

The fourth proportional to 594,723.79, 820,696.87 and 322,785.84 is: 445,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,723.79 : 820,696.87 = 322,785.84 : x
  2. Step 2: Convert to fraction form
    594,723.79/820,696.87 = 322,785.84/x
  3. Step 3: Cross multiply
    594,723.79x = 820,696.87 × 322,785.84
  4. Step 4: Simplify right side
    594,723.79x = 264,909,328,568.32
  5. Step 5: Solve for x
    x = 264,909,328,568.32/594,723.79
  6. Step 6: Final answer
    x = 445,432.54

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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.