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Finding the Fourth Proportional to 452,707.88, 624,736.68 and 248,771.96

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Solution

The fourth proportional to 452,707.88, 624,736.68 and 248,771.96 is: 343,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,707.88 : 624,736.68 = 248,771.96 : x
  2. Step 2: Convert to fraction form
    452,707.88/624,736.68 = 248,771.96/x
  3. Step 3: Cross multiply
    452,707.88x = 624,736.68 × 248,771.96
  4. Step 4: Simplify right side
    452,707.88x = 155,416,968,367.49
  5. Step 5: Solve for x
    x = 155,416,968,367.49/452,707.88
  6. Step 6: Final answer
    x = 343,305.20

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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.