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Finding the Fourth Proportional to 350,452.45, 525,678.62 and 84,212.97

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Solution

The fourth proportional to 350,452.45, 525,678.62 and 84,212.97 is: 126,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,452.45 : 525,678.62 = 84,212.97 : x
  2. Step 2: Convert to fraction form
    350,452.45/525,678.62 = 84,212.97/x
  3. Step 3: Cross multiply
    350,452.45x = 525,678.62 × 84,212.97
  4. Step 4: Simplify right side
    350,452.45x = 44,268,955,937.04
  5. Step 5: Solve for x
    x = 44,268,955,937.04/350,452.45
  6. Step 6: Final answer
    x = 126,319.44

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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.