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Finding the Fourth Proportional to 452,623.50, 624,620.76 and 248,687.52

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Solution

The fourth proportional to 452,623.50, 624,620.76 and 248,687.52 is: 343,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,623.50 : 624,620.76 = 248,687.52 : x
  2. Step 2: Convert to fraction form
    452,623.50/624,620.76 = 248,687.52/x
  3. Step 3: Cross multiply
    452,623.50x = 624,620.76 × 248,687.52
  4. Step 4: Simplify right side
    452,623.50x = 155,335,387,744.92
  5. Step 5: Solve for x
    x = 155,335,387,744.92/452,623.50
  6. Step 6: Final answer
    x = 343,188.96

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1.5x scale

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.