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Finding the Fourth Proportional to 630,378.96, 945,575.27 and 181,103.55

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Solution

The fourth proportional to 630,378.96, 945,575.27 and 181,103.55 is: 271,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,378.96 : 945,575.27 = 181,103.55 : x
  2. Step 2: Convert to fraction form
    630,378.96/945,575.27 = 181,103.55/x
  3. Step 3: Cross multiply
    630,378.96x = 945,575.27 × 181,103.55
  4. Step 4: Simplify right side
    630,378.96x = 171,247,034,416.92
  5. Step 5: Solve for x
    x = 171,247,034,416.92/630,378.96
  6. Step 6: Final answer
    x = 271,657.28

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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.