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Finding the Fourth Proportional to 357,307.36, 493,082.08 and 196,165.12

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Solution

The fourth proportional to 357,307.36, 493,082.08 and 196,165.12 is: 270,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,307.36 : 493,082.08 = 196,165.12 : x
  2. Step 2: Convert to fraction form
    357,307.36/493,082.08 = 196,165.12/x
  3. Step 3: Cross multiply
    357,307.36x = 493,082.08 × 196,165.12
  4. Step 4: Simplify right side
    357,307.36x = 96,725,505,393.05
  5. Step 5: Solve for x
    x = 96,725,505,393.05/357,307.36
  6. Step 6: Final answer
    x = 270,706.73

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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.