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Finding the Fourth Proportional to 452,704.86, 624,730.66 and 248,755.19

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Solution

The fourth proportional to 452,704.86, 624,730.66 and 248,755.19 is: 343,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,704.86 : 624,730.66 = 248,755.19 : x
  2. Step 2: Convert to fraction form
    452,704.86/624,730.66 = 248,755.19/x
  3. Step 3: Cross multiply
    452,704.86x = 624,730.66 × 248,755.19
  4. Step 4: Simplify right side
    452,704.86x = 155,404,995,740.87
  5. Step 5: Solve for x
    x = 155,404,995,740.87/452,704.86
  6. Step 6: Final answer
    x = 343,281.04

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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.