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Finding the Fourth Proportional to 682,866.83, 942,359.51 and 376,937.65

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Solution

The fourth proportional to 682,866.83, 942,359.51 and 376,937.65 is: 520,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,866.83 : 942,359.51 = 376,937.65 : x
  2. Step 2: Convert to fraction form
    682,866.83/942,359.51 = 376,937.65/x
  3. Step 3: Cross multiply
    682,866.83x = 942,359.51 × 376,937.65
  4. Step 4: Simplify right side
    682,866.83x = 355,210,778,624.50
  5. Step 5: Solve for x
    x = 355,210,778,624.50/682,866.83
  6. Step 6: Final answer
    x = 520,175.77

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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.