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Finding the Fourth Proportional to 306,797.15, 460,227.14 and 117,416.78

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Solution

The fourth proportional to 306,797.15, 460,227.14 and 117,416.78 is: 176,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,797.15 : 460,227.14 = 117,416.78 : x
  2. Step 2: Convert to fraction form
    306,797.15/460,227.14 = 117,416.78/x
  3. Step 3: Cross multiply
    306,797.15x = 460,227.14 × 117,416.78
  4. Step 4: Simplify right side
    306,797.15x = 54,038,388,260.33
  5. Step 5: Solve for x
    x = 54,038,388,260.33/306,797.15
  6. Step 6: Final answer
    x = 176,137.19

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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.