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Finding the Fourth Proportional to 442,622.72, 610,778.40 and 251,598.80

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Solution

The fourth proportional to 442,622.72, 610,778.40 and 251,598.80 is: 347,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,622.72 : 610,778.40 = 251,598.80 : x
  2. Step 2: Convert to fraction form
    442,622.72/610,778.40 = 251,598.80/x
  3. Step 3: Cross multiply
    442,622.72x = 610,778.40 × 251,598.80
  4. Step 4: Simplify right side
    442,622.72x = 153,671,112,505.92
  5. Step 5: Solve for x
    x = 153,671,112,505.92/442,622.72
  6. Step 6: Final answer
    x = 347,183.06

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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.