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Finding the Fourth Proportional to 370,561.89, 555,706.69 and 127,333.99

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Solution

The fourth proportional to 370,561.89, 555,706.69 and 127,333.99 is: 190,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,561.89 : 555,706.69 = 127,333.99 : x
  2. Step 2: Convert to fraction form
    370,561.89/555,706.69 = 127,333.99/x
  3. Step 3: Cross multiply
    370,561.89x = 555,706.69 × 127,333.99
  4. Step 4: Simplify right side
    370,561.89x = 70,760,350,107.39
  5. Step 5: Solve for x
    x = 70,760,350,107.39/370,561.89
  6. Step 6: Final answer
    x = 190,954.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.