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Finding the Fourth Proportional to 306,820.31, 460,256.72 and 93,636.18

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Solution

The fourth proportional to 306,820.31, 460,256.72 and 93,636.18 is: 140,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,820.31 : 460,256.72 = 93,636.18 : x
  2. Step 2: Convert to fraction form
    306,820.31/460,256.72 = 93,636.18/x
  3. Step 3: Cross multiply
    306,820.31x = 460,256.72 × 93,636.18
  4. Step 4: Simplify right side
    306,820.31x = 43,096,680,611.95
  5. Step 5: Solve for x
    x = 43,096,680,611.95/306,820.31
  6. Step 6: Final answer
    x = 140,462.28

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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.