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Finding the Fourth Proportional to 238,452.93, 328,918.95 and 141,590.97

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Solution

The fourth proportional to 238,452.93, 328,918.95 and 141,590.97 is: 195,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,452.93 : 328,918.95 = 141,590.97 : x
  2. Step 2: Convert to fraction form
    238,452.93/328,918.95 = 141,590.97/x
  3. Step 3: Cross multiply
    238,452.93x = 328,918.95 × 141,590.97
  4. Step 4: Simplify right side
    238,452.93x = 46,571,953,181.88
  5. Step 5: Solve for x
    x = 46,571,953,181.88/238,452.93
  6. Step 6: Final answer
    x = 195,308.79

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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.