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Finding the Fourth Proportional to 329,183.40, 493,775.10 and 310,812.60

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Solution

The fourth proportional to 329,183.40, 493,775.10 and 310,812.60 is: 466,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,183.40 : 493,775.10 = 310,812.60 : x
  2. Step 2: Convert to fraction form
    329,183.40/493,775.10 = 310,812.60/x
  3. Step 3: Cross multiply
    329,183.40x = 493,775.10 × 310,812.60
  4. Step 4: Simplify right side
    329,183.40x = 153,471,522,646.26
  5. Step 5: Solve for x
    x = 153,471,522,646.26/329,183.40
  6. Step 6: Final answer
    x = 466,218.90

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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.