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Finding the Fourth Proportional to 452,209.56, 624,056.51 and 248,279.28

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Solution

The fourth proportional to 452,209.56, 624,056.51 and 248,279.28 is: 342,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,209.56 : 624,056.51 = 248,279.28 : x
  2. Step 2: Convert to fraction form
    452,209.56/624,056.51 = 248,279.28/x
  3. Step 3: Cross multiply
    452,209.56x = 624,056.51 × 248,279.28
  4. Step 4: Simplify right side
    452,209.56x = 154,940,296,620.43
  5. Step 5: Solve for x
    x = 154,940,296,620.43/452,209.56
  6. Step 6: Final answer
    x = 342,629.42

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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.