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Finding the Fourth Proportional to 306,690.96, 460,233.30 and 148,833.30

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Solution

The fourth proportional to 306,690.96, 460,233.30 and 148,833.30 is: 223,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,690.96 : 460,233.30 = 148,833.30 : x
  2. Step 2: Convert to fraction form
    306,690.96/460,233.30 = 148,833.30/x
  3. Step 3: Cross multiply
    306,690.96x = 460,233.30 × 148,833.30
  4. Step 4: Simplify right side
    306,690.96x = 68,498,040,808.89
  5. Step 5: Solve for x
    x = 68,498,040,808.89/306,690.96
  6. Step 6: Final answer
    x = 223,345.48

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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.