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Finding the Fourth Proportional to 566,691.93, 782,033.63 and 308,564.87

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Solution

The fourth proportional to 566,691.93, 782,033.63 and 308,564.87 is: 425,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,691.93 : 782,033.63 = 308,564.87 : x
  2. Step 2: Convert to fraction form
    566,691.93/782,033.63 = 308,564.87/x
  3. Step 3: Cross multiply
    566,691.93x = 782,033.63 × 308,564.87
  4. Step 4: Simplify right side
    566,691.93x = 241,308,108,103.07
  5. Step 5: Solve for x
    x = 241,308,108,103.07/566,691.93
  6. Step 6: Final answer
    x = 425,818.85

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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.