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Finding the Fourth Proportional to 255,097.01, 352,519.40 and 191,324.09

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Solution

The fourth proportional to 255,097.01, 352,519.40 and 191,324.09 is: 264,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,097.01 : 352,519.40 = 191,324.09 : x
  2. Step 2: Convert to fraction form
    255,097.01/352,519.40 = 191,324.09/x
  3. Step 3: Cross multiply
    255,097.01x = 352,519.40 × 191,324.09
  4. Step 4: Simplify right side
    255,097.01x = 67,445,454,771.95
  5. Step 5: Solve for x
    x = 67,445,454,771.95/255,097.01
  6. Step 6: Final answer
    x = 264,391.39

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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.