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Finding the Fourth Proportional to 566,873.78, 782,269.79 and 308,744.87

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Solution

The fourth proportional to 566,873.78, 782,269.79 and 308,744.87 is: 426,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,873.78 : 782,269.79 = 308,744.87 : x
  2. Step 2: Convert to fraction form
    566,873.78/782,269.79 = 308,744.87/x
  3. Step 3: Cross multiply
    566,873.78x = 782,269.79 × 308,744.87
  4. Step 4: Simplify right side
    566,873.78x = 241,521,779,163.40
  5. Step 5: Solve for x
    x = 241,521,779,163.40/566,873.78
  6. Step 6: Final answer
    x = 426,059.19

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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.