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Finding the Fourth Proportional to 255,093.51, 352,514.57 and 191,320.59

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Solution

The fourth proportional to 255,093.51, 352,514.57 and 191,320.59 is: 264,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,093.51 : 352,514.57 = 191,320.59 : x
  2. Step 2: Convert to fraction form
    255,093.51/352,514.57 = 191,320.59/x
  3. Step 3: Cross multiply
    255,093.51x = 352,514.57 × 191,320.59
  4. Step 4: Simplify right side
    255,093.51x = 67,443,295,516.00
  5. Step 5: Solve for x
    x = 67,443,295,516.00/255,093.51
  6. Step 6: Final answer
    x = 264,386.56

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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.