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Finding the Fourth Proportional to 606,789.27, 909,893.05 and 286,674.66

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Solution

The fourth proportional to 606,789.27, 909,893.05 and 286,674.66 is: 429,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,789.27 : 909,893.05 = 286,674.66 : x
  2. Step 2: Convert to fraction form
    606,789.27/909,893.05 = 286,674.66/x
  3. Step 3: Cross multiply
    606,789.27x = 909,893.05 × 286,674.66
  4. Step 4: Simplify right side
    606,789.27x = 260,843,280,745.11
  5. Step 5: Solve for x
    x = 260,843,280,745.11/606,789.27
  6. Step 6: Final answer
    x = 429,874.58

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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.