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Finding the Fourth Proportional to 306,763.38, 460,191.51 and 96,381.54

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Solution

The fourth proportional to 306,763.38, 460,191.51 and 96,381.54 is: 144,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,763.38 : 460,191.51 = 96,381.54 : x
  2. Step 2: Convert to fraction form
    306,763.38/460,191.51 = 96,381.54/x
  3. Step 3: Cross multiply
    306,763.38x = 460,191.51 × 96,381.54
  4. Step 4: Simplify right side
    306,763.38x = 44,353,966,428.73
  5. Step 5: Solve for x
    x = 44,353,966,428.73/306,763.38
  6. Step 6: Final answer
    x = 144,586.90

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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.