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Finding the Fourth Proportional to 266,230.88, 367,413.58 and 145,383.40

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Solution

The fourth proportional to 266,230.88, 367,413.58 and 145,383.40 is: 200,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,230.88 : 367,413.58 = 145,383.40 : x
  2. Step 2: Convert to fraction form
    266,230.88/367,413.58 = 145,383.40/x
  3. Step 3: Cross multiply
    266,230.88x = 367,413.58 × 145,383.40
  4. Step 4: Simplify right side
    266,230.88x = 53,415,835,466.57
  5. Step 5: Solve for x
    x = 53,415,835,466.57/266,230.88
  6. Step 6: Final answer
    x = 200,637.26

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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.