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Finding the Fourth Proportional to 248,830.40, 373,245.60 and 178,846.40

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Solution

The fourth proportional to 248,830.40, 373,245.60 and 178,846.40 is: 268,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,830.40 : 373,245.60 = 178,846.40 : x
  2. Step 2: Convert to fraction form
    248,830.40/373,245.60 = 178,846.40/x
  3. Step 3: Cross multiply
    248,830.40x = 373,245.60 × 178,846.40
  4. Step 4: Simplify right side
    248,830.40x = 66,753,631,875.84
  5. Step 5: Solve for x
    x = 66,753,631,875.84/248,830.40
  6. Step 6: Final answer
    x = 268,269.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.