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Finding the Fourth Proportional to 266,413.34, 367,650.72 and 145,556.66

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Solution

The fourth proportional to 266,413.34, 367,650.72 and 145,556.66 is: 200,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,413.34 : 367,650.72 = 145,556.66 : x
  2. Step 2: Convert to fraction form
    266,413.34/367,650.72 = 145,556.66/x
  3. Step 3: Cross multiply
    266,413.34x = 367,650.72 × 145,556.66
  4. Step 4: Simplify right side
    266,413.34x = 53,514,010,849.80
  5. Step 5: Solve for x
    x = 53,514,010,849.80/266,413.34
  6. Step 6: Final answer
    x = 200,868.36

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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.