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Finding the Fourth Proportional to 255,555.55, 352,427.46 and 201,968.59

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Solution

The fourth proportional to 255,555.55, 352,427.46 and 201,968.59 is: 278,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,555.55 : 352,427.46 = 201,968.59 : x
  2. Step 2: Convert to fraction form
    255,555.55/352,427.46 = 201,968.59/x
  3. Step 3: Cross multiply
    255,555.55x = 352,427.46 × 201,968.59
  4. Step 4: Simplify right side
    255,555.55x = 71,179,277,173.48
  5. Step 5: Solve for x
    x = 71,179,277,173.48/255,555.55
  6. Step 6: Final answer
    x = 278,527.61

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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.