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Finding the Fourth Proportional to 259,417.44, 357,969.84 and 191,471.52

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Solution

The fourth proportional to 259,417.44, 357,969.84 and 191,471.52 is: 264,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,417.44 : 357,969.84 = 191,471.52 : x
  2. Step 2: Convert to fraction form
    259,417.44/357,969.84 = 191,471.52/x
  3. Step 3: Cross multiply
    259,417.44x = 357,969.84 × 191,471.52
  4. Step 4: Simplify right side
    259,417.44x = 68,541,029,378.96
  5. Step 5: Solve for x
    x = 68,541,029,378.96/259,417.44
  6. Step 6: Final answer
    x = 264,211.34

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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.