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Finding the Fourth Proportional to 306,788.64, 460,207.58 and 107,104.61

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Solution

The fourth proportional to 306,788.64, 460,207.58 and 107,104.61 is: 160,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,788.64 : 460,207.58 = 107,104.61 : x
  2. Step 2: Convert to fraction form
    306,788.64/460,207.58 = 107,104.61/x
  3. Step 3: Cross multiply
    306,788.64x = 460,207.58 × 107,104.61
  4. Step 4: Simplify right side
    306,788.64x = 49,290,350,538.38
  5. Step 5: Solve for x
    x = 49,290,350,538.38/306,788.64
  6. Step 6: Final answer
    x = 160,665.50

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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.