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Finding the Fourth Proportional to 613,885.68, 920,741.04 and 193,150.62

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Solution

The fourth proportional to 613,885.68, 920,741.04 and 193,150.62 is: 289,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,885.68 : 920,741.04 = 193,150.62 : x
  2. Step 2: Convert to fraction form
    613,885.68/920,741.04 = 193,150.62/x
  3. Step 3: Cross multiply
    613,885.68x = 920,741.04 × 193,150.62
  4. Step 4: Simplify right side
    613,885.68x = 177,841,702,735.45
  5. Step 5: Solve for x
    x = 177,841,702,735.45/613,885.68
  6. Step 6: Final answer
    x = 289,698.41

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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.