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Finding the Fourth Proportional to 452,710.55, 624,704.00 and 261,736.25

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Solution

The fourth proportional to 452,710.55, 624,704.00 and 261,736.25 is: 361,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,710.55 : 624,704.00 = 261,736.25 : x
  2. Step 2: Convert to fraction form
    452,710.55/624,704.00 = 261,736.25/x
  3. Step 3: Cross multiply
    452,710.55x = 624,704.00 × 261,736.25
  4. Step 4: Simplify right side
    452,710.55x = 163,507,679,650.19
  5. Step 5: Solve for x
    x = 163,507,679,650.19/452,710.55
  6. Step 6: Final answer
    x = 361,174.88

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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.