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Finding the Fourth Proportional to 630,164.24, 945,241.50 and 156,846.44

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Solution

The fourth proportional to 630,164.24, 945,241.50 and 156,846.44 is: 235,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,164.24 : 945,241.50 = 156,846.44 : x
  2. Step 2: Convert to fraction form
    630,164.24/945,241.50 = 156,846.44/x
  3. Step 3: Cross multiply
    630,164.24x = 945,241.50 × 156,846.44
  4. Step 4: Simplify right side
    630,164.24x = 148,257,764,215.26
  5. Step 5: Solve for x
    x = 148,257,764,215.26/630,164.24
  6. Step 6: Final answer
    x = 235,268.45

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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.