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Finding the Fourth Proportional to 560,469.17, 773,464.49 and 318,786.50

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Solution

The fourth proportional to 560,469.17, 773,464.49 and 318,786.50 is: 439,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,469.17 : 773,464.49 = 318,786.50 : x
  2. Step 2: Convert to fraction form
    560,469.17/773,464.49 = 318,786.50/x
  3. Step 3: Cross multiply
    560,469.17x = 773,464.49 × 318,786.50
  4. Step 4: Simplify right side
    560,469.17x = 246,570,032,180.13
  5. Step 5: Solve for x
    x = 246,570,032,180.13/560,469.17
  6. Step 6: Final answer
    x = 439,935.05

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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.