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Finding the Fourth Proportional to 568,166.45, 851,437.69 and 417,222.59

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Solution

The fourth proportional to 568,166.45, 851,437.69 and 417,222.59 is: 625,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,166.45 : 851,437.69 = 417,222.59 : x
  2. Step 2: Convert to fraction form
    568,166.45/851,437.69 = 417,222.59/x
  3. Step 3: Cross multiply
    568,166.45x = 851,437.69 × 417,222.59
  4. Step 4: Simplify right side
    568,166.45x = 355,239,032,945.17
  5. Step 5: Solve for x
    x = 355,239,032,945.17/568,166.45
  6. Step 6: Final answer
    x = 625,237.61

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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.