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Finding the Fourth Proportional to 323,650.08, 485,530.72 and 99,005.12

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Solution

The fourth proportional to 323,650.08, 485,530.72 and 99,005.12 is: 148,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,650.08 : 485,530.72 = 99,005.12 : x
  2. Step 2: Convert to fraction form
    323,650.08/485,530.72 = 99,005.12/x
  3. Step 3: Cross multiply
    323,650.08x = 485,530.72 × 99,005.12
  4. Step 4: Simplify right side
    323,650.08x = 48,070,027,197.29
  5. Step 5: Solve for x
    x = 48,070,027,197.29/323,650.08
  6. Step 6: Final answer
    x = 148,524.69

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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.