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Finding the Fourth Proportional to 451,878.80, 677,623.80 and 227,152.40

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Solution

The fourth proportional to 451,878.80, 677,623.80 and 227,152.40 is: 340,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,878.80 : 677,623.80 = 227,152.40 : x
  2. Step 2: Convert to fraction form
    451,878.80/677,623.80 = 227,152.40/x
  3. Step 3: Cross multiply
    451,878.80x = 677,623.80 × 227,152.40
  4. Step 4: Simplify right side
    451,878.80x = 153,923,872,467.12
  5. Step 5: Solve for x
    x = 153,923,872,467.12/451,878.80
  6. Step 6: Final answer
    x = 340,630.88

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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.