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Finding the Fourth Proportional to 452,842.76, 624,929.50 and 248,912.56

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Solution

The fourth proportional to 452,842.76, 624,929.50 and 248,912.56 is: 343,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,842.76 : 624,929.50 = 248,912.56 : x
  2. Step 2: Convert to fraction form
    452,842.76/624,929.50 = 248,912.56/x
  3. Step 3: Cross multiply
    452,842.76x = 624,929.50 × 248,912.56
  4. Step 4: Simplify right side
    452,842.76x = 155,552,801,664.52
  5. Step 5: Solve for x
    x = 155,552,801,664.52/452,842.76
  6. Step 6: Final answer
    x = 343,502.90

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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.