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Finding the Fourth Proportional to 306,889.45, 460,334.18 and 93,658.46

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Solution

The fourth proportional to 306,889.45, 460,334.18 and 93,658.46 is: 140,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,889.45 : 460,334.18 = 93,658.46 : x
  2. Step 2: Convert to fraction form
    306,889.45/460,334.18 = 93,658.46/x
  3. Step 3: Cross multiply
    306,889.45x = 460,334.18 × 93,658.46
  4. Step 4: Simplify right side
    306,889.45x = 43,114,188,316.64
  5. Step 5: Solve for x
    x = 43,114,188,316.64/306,889.45
  6. Step 6: Final answer
    x = 140,487.69

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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.