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Finding the Fourth Proportional to 306,738.60, 460,122.30 and 96,383.40

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Solution

The fourth proportional to 306,738.60, 460,122.30 and 96,383.40 is: 144,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,738.60 : 460,122.30 = 96,383.40 : x
  2. Step 2: Convert to fraction form
    306,738.60/460,122.30 = 96,383.40/x
  3. Step 3: Cross multiply
    306,738.60x = 460,122.30 × 96,383.40
  4. Step 4: Simplify right side
    306,738.60x = 44,348,151,689.82
  5. Step 5: Solve for x
    x = 44,348,151,689.82/306,738.60
  6. Step 6: Final answer
    x = 144,579.62

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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.