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Finding the Fourth Proportional to 350,858.70, 525,510.45 and 271,716.30

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Solution

The fourth proportional to 350,858.70, 525,510.45 and 271,716.30 is: 406,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,858.70 : 525,510.45 = 271,716.30 : x
  2. Step 2: Convert to fraction form
    350,858.70/525,510.45 = 271,716.30/x
  3. Step 3: Cross multiply
    350,858.70x = 525,510.45 × 271,716.30
  4. Step 4: Simplify right side
    350,858.70x = 142,789,755,085.34
  5. Step 5: Solve for x
    x = 142,789,755,085.34/350,858.70
  6. Step 6: Final answer
    x = 406,972.25

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1.5x scale

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.