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Finding the Fourth Proportional to 607,325.42, 911,540.82 and 323,254.38

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Solution

The fourth proportional to 607,325.42, 911,540.82 and 323,254.38 is: 485,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,325.42 : 911,540.82 = 323,254.38 : x
  2. Step 2: Convert to fraction form
    607,325.42/911,540.82 = 323,254.38/x
  3. Step 3: Cross multiply
    607,325.42x = 911,540.82 × 323,254.38
  4. Step 4: Simplify right side
    607,325.42x = 294,659,562,613.79
  5. Step 5: Solve for x
    x = 294,659,562,613.79/607,325.42
  6. Step 6: Final answer
    x = 485,175.74

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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.