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Finding the Fourth Proportional to 350,109.20, 525,163.80 and 323,075.60

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Solution

The fourth proportional to 350,109.20, 525,163.80 and 323,075.60 is: 484,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,109.20 : 525,163.80 = 323,075.60 : x
  2. Step 2: Convert to fraction form
    350,109.20/525,163.80 = 323,075.60/x
  3. Step 3: Cross multiply
    350,109.20x = 525,163.80 × 323,075.60
  4. Step 4: Simplify right side
    350,109.20x = 169,667,609,783.28
  5. Step 5: Solve for x
    x = 169,667,609,783.28/350,109.20
  6. Step 6: Final answer
    x = 484,613.40

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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.