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Finding the Fourth Proportional to 350,131.20, 525,196.80 and 172,984.20

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Solution

The fourth proportional to 350,131.20, 525,196.80 and 172,984.20 is: 259,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,131.20 : 525,196.80 = 172,984.20 : x
  2. Step 2: Convert to fraction form
    350,131.20/525,196.80 = 172,984.20/x
  3. Step 3: Cross multiply
    350,131.20x = 525,196.80 × 172,984.20
  4. Step 4: Simplify right side
    350,131.20x = 90,850,748,290.56
  5. Step 5: Solve for x
    x = 90,850,748,290.56/350,131.20
  6. Step 6: Final answer
    x = 259,476.30

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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.