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Finding the Fourth Proportional to 306,890.45, 460,335.68 and 93,659.46

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Solution

The fourth proportional to 306,890.45, 460,335.68 and 93,659.46 is: 140,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,890.45 : 460,335.68 = 93,659.46 : x
  2. Step 2: Convert to fraction form
    306,890.45/460,335.68 = 93,659.46/x
  3. Step 3: Cross multiply
    306,890.45x = 460,335.68 × 93,659.46
  4. Step 4: Simplify right side
    306,890.45x = 43,114,791,207.53
  5. Step 5: Solve for x
    x = 43,114,791,207.53/306,890.45
  6. Step 6: Final answer
    x = 140,489.19

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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.