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Finding the Fourth Proportional to 301,888.42, 416,971.40 and 220,087.13

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Solution

The fourth proportional to 301,888.42, 416,971.40 and 220,087.13 is: 303,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,888.42 : 416,971.40 = 220,087.13 : x
  2. Step 2: Convert to fraction form
    301,888.42/416,971.40 = 220,087.13/x
  3. Step 3: Cross multiply
    301,888.42x = 416,971.40 × 220,087.13
  4. Step 4: Simplify right side
    301,888.42x = 91,770,035,532.79
  5. Step 5: Solve for x
    x = 91,770,035,532.79/301,888.42
  6. Step 6: Final answer
    x = 303,986.61

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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.