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Finding the Fourth Proportional to 350,232.80, 525,349.20 and 208,515.20

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Solution

The fourth proportional to 350,232.80, 525,349.20 and 208,515.20 is: 312,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,232.80 : 525,349.20 = 208,515.20 : x
  2. Step 2: Convert to fraction form
    350,232.80/525,349.20 = 208,515.20/x
  3. Step 3: Cross multiply
    350,232.80x = 525,349.20 × 208,515.20
  4. Step 4: Simplify right side
    350,232.80x = 109,543,293,507.84
  5. Step 5: Solve for x
    x = 109,543,293,507.84/350,232.80
  6. Step 6: Final answer
    x = 312,772.80

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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.