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Finding the Fourth Proportional to 255,092.14, 352,512.67 and 191,319.22

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Solution

The fourth proportional to 255,092.14, 352,512.67 and 191,319.22 is: 264,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,092.14 : 352,512.67 = 191,319.22 : x
  2. Step 2: Convert to fraction form
    255,092.14/352,512.67 = 191,319.22/x
  3. Step 3: Cross multiply
    255,092.14x = 352,512.67 × 191,319.22
  4. Step 4: Simplify right side
    255,092.14x = 67,442,447,704.94
  5. Step 5: Solve for x
    x = 67,442,447,704.94/255,092.14
  6. Step 6: Final answer
    x = 264,384.66

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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.