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Finding the Fourth Proportional to 275,590.41, 380,034.75 and 259,517.58

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Solution

The fourth proportional to 275,590.41, 380,034.75 and 259,517.58 is: 357,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,590.41 : 380,034.75 = 259,517.58 : x
  2. Step 2: Convert to fraction form
    275,590.41/380,034.75 = 259,517.58/x
  3. Step 3: Cross multiply
    275,590.41x = 380,034.75 × 259,517.58
  4. Step 4: Simplify right side
    275,590.41x = 98,625,698,635.91
  5. Step 5: Solve for x
    x = 98,625,698,635.91/275,590.41
  6. Step 6: Final answer
    x = 357,870.58

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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.