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Finding the Fourth Proportional to 452,740.50, 624,801.33 and 251,536.50

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Solution

The fourth proportional to 452,740.50, 624,801.33 and 251,536.50 is: 347,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,740.50 : 624,801.33 = 251,536.50 : x
  2. Step 2: Convert to fraction form
    452,740.50/624,801.33 = 251,536.50/x
  3. Step 3: Cross multiply
    452,740.50x = 624,801.33 × 251,536.50
  4. Step 4: Simplify right side
    452,740.50x = 157,160,339,743.55
  5. Step 5: Solve for x
    x = 157,160,339,743.55/452,740.50
  6. Step 6: Final answer
    x = 347,131.17

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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.