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Finding the Fourth Proportional to 568,097.52, 851,284.14 and 417,621

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Solution

The fourth proportional to 568,097.52, 851,284.14 and 417,621 is: 625,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,097.52 : 851,284.14 = 417,621 : x
  2. Step 2: Convert to fraction form
    568,097.52/851,284.14 = 417,621/x
  3. Step 3: Cross multiply
    568,097.52x = 851,284.14 × 417,621
  4. Step 4: Simplify right side
    568,097.52x = 355,514,133,830.94
  5. Step 5: Solve for x
    x = 355,514,133,830.94/568,097.52
  6. Step 6: Final answer
    x = 625,797.72

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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.