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Finding the Fourth Proportional to 350,075.60, 525,502.20 and 192,611.60

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Solution

The fourth proportional to 350,075.60, 525,502.20 and 192,611.60 is: 289,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,075.60 : 525,502.20 = 192,611.60 : x
  2. Step 2: Convert to fraction form
    350,075.60/525,502.20 = 192,611.60/x
  3. Step 3: Cross multiply
    350,075.60x = 525,502.20 × 192,611.60
  4. Step 4: Simplify right side
    350,075.60x = 101,217,819,545.52
  5. Step 5: Solve for x
    x = 101,217,819,545.52/350,075.60
  6. Step 6: Final answer
    x = 289,131.32

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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.