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Finding the Fourth Proportional to 451,572.30, 677,358.45 and 171,074.70

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Solution

The fourth proportional to 451,572.30, 677,358.45 and 171,074.70 is: 256,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,572.30 : 677,358.45 = 171,074.70 : x
  2. Step 2: Convert to fraction form
    451,572.30/677,358.45 = 171,074.70/x
  3. Step 3: Cross multiply
    451,572.30x = 677,358.45 × 171,074.70
  4. Step 4: Simplify right side
    451,572.30x = 115,878,893,626.22
  5. Step 5: Solve for x
    x = 115,878,893,626.22/451,572.30
  6. Step 6: Final answer
    x = 256,612.05

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Similar ratio
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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.