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Finding the Fourth Proportional to 265,842.78, 366,884.89 and 151,157.42

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Solution

The fourth proportional to 265,842.78, 366,884.89 and 151,157.42 is: 208,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,842.78 : 366,884.89 = 151,157.42 : x
  2. Step 2: Convert to fraction form
    265,842.78/366,884.89 = 151,157.42/x
  3. Step 3: Cross multiply
    265,842.78x = 366,884.89 × 151,157.42
  4. Step 4: Simplify right side
    265,842.78x = 55,457,373,409.38
  5. Step 5: Solve for x
    x = 55,457,373,409.38/265,842.78
  6. Step 6: Final answer
    x = 208,609.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.