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Finding the Fourth Proportional to 259,491.08, 357,566.24 and 191,400.26

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Solution

The fourth proportional to 259,491.08, 357,566.24 and 191,400.26 is: 263,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,491.08 : 357,566.24 = 191,400.26 : x
  2. Step 2: Convert to fraction form
    259,491.08/357,566.24 = 191,400.26/x
  3. Step 3: Cross multiply
    259,491.08x = 357,566.24 × 191,400.26
  4. Step 4: Simplify right side
    259,491.08x = 68,438,268,558.39
  5. Step 5: Solve for x
    x = 68,438,268,558.39/259,491.08
  6. Step 6: Final answer
    x = 263,740.36

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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.