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Finding the Fourth Proportional to 306,891.45, 460,337.18 and 93,660.46

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Solution

The fourth proportional to 306,891.45, 460,337.18 and 93,660.46 is: 140,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,891.45 : 460,337.18 = 93,660.46 : x
  2. Step 2: Convert to fraction form
    306,891.45/460,337.18 = 93,660.46/x
  3. Step 3: Cross multiply
    306,891.45x = 460,337.18 × 93,660.46
  4. Step 4: Simplify right side
    306,891.45x = 43,115,392,033.90
  5. Step 5: Solve for x
    x = 43,115,392,033.90/306,891.45
  6. Step 6: Final answer
    x = 140,490.69

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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.