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Finding the Fourth Proportional to 323,690.90, 485,536.35 and 183,722.90

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Solution

The fourth proportional to 323,690.90, 485,536.35 and 183,722.90 is: 275,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,690.90 : 485,536.35 = 183,722.90 : x
  2. Step 2: Convert to fraction form
    323,690.90/485,536.35 = 183,722.90/x
  3. Step 3: Cross multiply
    323,690.90x = 485,536.35 × 183,722.90
  4. Step 4: Simplify right side
    323,690.90x = 89,204,146,277.42
  5. Step 5: Solve for x
    x = 89,204,146,277.42/323,690.90
  6. Step 6: Final answer
    x = 275,584.35

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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.