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Finding the Fourth Proportional to 693,671.76, 1,040,807.88 and 244,713.60

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Solution

The fourth proportional to 693,671.76, 1,040,807.88 and 244,713.60 is: 367,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,671.76 : 1,040,807.88 = 244,713.60 : x
  2. Step 2: Convert to fraction form
    693,671.76/1,040,807.88 = 244,713.60/x
  3. Step 3: Cross multiply
    693,671.76x = 1,040,807.88 × 244,713.60
  4. Step 4: Simplify right side
    693,671.76x = 254,699,843,223.17
  5. Step 5: Solve for x
    x = 254,699,843,223.17/693,671.76
  6. Step 6: Final answer
    x = 367,176.32

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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.