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Finding the Fourth Proportional to 431,511.54, 595,556.10 and 259,603.26

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Solution

The fourth proportional to 431,511.54, 595,556.10 and 259,603.26 is: 358,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,511.54 : 595,556.10 = 259,603.26 : x
  2. Step 2: Convert to fraction form
    431,511.54/595,556.10 = 259,603.26/x
  3. Step 3: Cross multiply
    431,511.54x = 595,556.10 × 259,603.26
  4. Step 4: Simplify right side
    431,511.54x = 154,608,305,072.89
  5. Step 5: Solve for x
    x = 154,608,305,072.89/431,511.54
  6. Step 6: Final answer
    x = 358,294.72

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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.