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Finding the Fourth Proportional to 566,796.89, 782,180.55 and 308,674.40

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Solution

The fourth proportional to 566,796.89, 782,180.55 and 308,674.40 is: 425,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,796.89 : 782,180.55 = 308,674.40 : x
  2. Step 2: Convert to fraction form
    566,796.89/782,180.55 = 308,674.40/x
  3. Step 3: Cross multiply
    566,796.89x = 782,180.55 × 308,674.40
  4. Step 4: Simplify right side
    566,796.89x = 241,439,108,052.02
  5. Step 5: Solve for x
    x = 241,439,108,052.02/566,796.89
  6. Step 6: Final answer
    x = 425,971.12

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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.