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Finding the Fourth Proportional to 307,962.45, 461,944.74 and 94,728.92

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Solution

The fourth proportional to 307,962.45, 461,944.74 and 94,728.92 is: 142,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,962.45 : 461,944.74 = 94,728.92 : x
  2. Step 2: Convert to fraction form
    307,962.45/461,944.74 = 94,728.92/x
  3. Step 3: Cross multiply
    307,962.45x = 461,944.74 × 94,728.92
  4. Step 4: Simplify right side
    307,962.45x = 43,759,524,010.16
  5. Step 5: Solve for x
    x = 43,759,524,010.16/307,962.45
  6. Step 6: Final answer
    x = 142,093.70

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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.