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Finding the Fourth Proportional to 235,782.70, 325,404.94 and 206,442.27

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Solution

The fourth proportional to 235,782.70, 325,404.94 and 206,442.27 is: 284,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,782.70 : 325,404.94 = 206,442.27 : x
  2. Step 2: Convert to fraction form
    235,782.70/325,404.94 = 206,442.27/x
  3. Step 3: Cross multiply
    235,782.70x = 325,404.94 × 206,442.27
  4. Step 4: Simplify right side
    235,782.70x = 67,177,334,482.81
  5. Step 5: Solve for x
    x = 67,177,334,482.81/235,782.70
  6. Step 6: Final answer
    x = 284,912.06

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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.