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Finding the Fourth Proportional to 259,355.48, 357,912.59 and 144,641.52

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Solution

The fourth proportional to 259,355.48, 357,912.59 and 144,641.52 is: 199,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,355.48 : 357,912.59 = 144,641.52 : x
  2. Step 2: Convert to fraction form
    259,355.48/357,912.59 = 144,641.52/x
  3. Step 3: Cross multiply
    259,355.48x = 357,912.59 × 144,641.52
  4. Step 4: Simplify right side
    259,355.48x = 51,769,020,321.53
  5. Step 5: Solve for x
    x = 51,769,020,321.53/259,355.48
  6. Step 6: Final answer
    x = 199,606.43

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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.