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Finding the Fourth Proportional to 585,260.37, 877,826.70 and 396,930.51

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Solution

The fourth proportional to 585,260.37, 877,826.70 and 396,930.51 is: 595,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,260.37 : 877,826.70 = 396,930.51 : x
  2. Step 2: Convert to fraction form
    585,260.37/877,826.70 = 396,930.51/x
  3. Step 3: Cross multiply
    585,260.37x = 877,826.70 × 396,930.51
  4. Step 4: Simplify right side
    585,260.37x = 348,436,199,722.62
  5. Step 5: Solve for x
    x = 348,436,199,722.62/585,260.37
  6. Step 6: Final answer
    x = 595,352.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.