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Finding the Fourth Proportional to 255,092.51, 352,513.19 and 191,319.59

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Solution

The fourth proportional to 255,092.51, 352,513.19 and 191,319.59 is: 264,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,092.51 : 352,513.19 = 191,319.59 : x
  2. Step 2: Convert to fraction form
    255,092.51/352,513.19 = 191,319.59/x
  3. Step 3: Cross multiply
    255,092.51x = 352,513.19 × 191,319.59
  4. Step 4: Simplify right side
    255,092.51x = 67,442,680,339.97
  5. Step 5: Solve for x
    x = 67,442,680,339.97/255,092.51
  6. Step 6: Final answer
    x = 264,385.18

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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.