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Finding the Fourth Proportional to 357,157.35, 492,861.71 and 196,015.14

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Solution

The fourth proportional to 357,157.35, 492,861.71 and 196,015.14 is: 270,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,157.35 : 492,861.71 = 196,015.14 : x
  2. Step 2: Convert to fraction form
    357,157.35/492,861.71 = 196,015.14/x
  3. Step 3: Cross multiply
    357,157.35x = 492,861.71 × 196,015.14
  4. Step 4: Simplify right side
    357,157.35x = 96,608,357,576.33
  5. Step 5: Solve for x
    x = 96,608,357,576.33/357,157.35
  6. Step 6: Final answer
    x = 270,492.42

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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.