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Finding the Fourth Proportional to 350,706.20, 525,713.70 and 173,240.60

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Solution

The fourth proportional to 350,706.20, 525,713.70 and 173,240.60 is: 259,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,706.20 : 525,713.70 = 173,240.60 : x
  2. Step 2: Convert to fraction form
    350,706.20/525,713.70 = 173,240.60/x
  3. Step 3: Cross multiply
    350,706.20x = 525,713.70 × 173,240.60
  4. Step 4: Simplify right side
    350,706.20x = 91,074,956,816.22
  5. Step 5: Solve for x
    x = 91,074,956,816.22/350,706.20
  6. Step 6: Final answer
    x = 259,690.18

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