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Finding the Fourth Proportional to 248,570.70, 343,097.55 and 224,076.30

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Solution

The fourth proportional to 248,570.70, 343,097.55 and 224,076.30 is: 309,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,570.70 : 343,097.55 = 224,076.30 : x
  2. Step 2: Convert to fraction form
    248,570.70/343,097.55 = 224,076.30/x
  3. Step 3: Cross multiply
    248,570.70x = 343,097.55 × 224,076.30
  4. Step 4: Simplify right side
    248,570.70x = 76,880,029,543.07
  5. Step 5: Solve for x
    x = 76,880,029,543.07/248,570.70
  6. Step 6: Final answer
    x = 309,288.38

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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.