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Finding the Fourth Proportional to 306,842.40, 460,738.80 and 166,874.40

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Solution

The fourth proportional to 306,842.40, 460,738.80 and 166,874.40 is: 250,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,842.40 : 460,738.80 = 166,874.40 : x
  2. Step 2: Convert to fraction form
    306,842.40/460,738.80 = 166,874.40/x
  3. Step 3: Cross multiply
    306,842.40x = 460,738.80 × 166,874.40
  4. Step 4: Simplify right side
    306,842.40x = 76,885,510,806.72
  5. Step 5: Solve for x
    x = 76,885,510,806.72/306,842.40
  6. Step 6: Final answer
    x = 250,570.03

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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.