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Finding the Fourth Proportional to 248,851.20, 373,276.80 and 149,318.40

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Solution

The fourth proportional to 248,851.20, 373,276.80 and 149,318.40 is: 223,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,851.20 : 373,276.80 = 149,318.40 : x
  2. Step 2: Convert to fraction form
    248,851.20/373,276.80 = 149,318.40/x
  3. Step 3: Cross multiply
    248,851.20x = 373,276.80 × 149,318.40
  4. Step 4: Simplify right side
    248,851.20x = 55,737,094,533.12
  5. Step 5: Solve for x
    x = 55,737,094,533.12/248,851.20
  6. Step 6: Final answer
    x = 223,977.60

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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.