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Finding the Fourth Proportional to 255,480.80, 352,296.27 and 190,848.74

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Solution

The fourth proportional to 255,480.80, 352,296.27 and 190,848.74 is: 263,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,480.80 : 352,296.27 = 190,848.74 : x
  2. Step 2: Convert to fraction form
    255,480.80/352,296.27 = 190,848.74/x
  3. Step 3: Cross multiply
    255,480.80x = 352,296.27 × 190,848.74
  4. Step 4: Simplify right side
    255,480.80x = 67,235,297,474.72
  5. Step 5: Solve for x
    x = 67,235,297,474.72/255,480.80
  6. Step 6: Final answer
    x = 263,171.63

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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.