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Finding the Fourth Proportional to 350,435.20, 525,364.80 and 150,908.80

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Solution

The fourth proportional to 350,435.20, 525,364.80 and 150,908.80 is: 226,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,435.20 : 525,364.80 = 150,908.80 : x
  2. Step 2: Convert to fraction form
    350,435.20/525,364.80 = 150,908.80/x
  3. Step 3: Cross multiply
    350,435.20x = 525,364.80 × 150,908.80
  4. Step 4: Simplify right side
    350,435.20x = 79,282,171,530.24
  5. Step 5: Solve for x
    x = 79,282,171,530.24/350,435.20
  6. Step 6: Final answer
    x = 226,239.18

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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.