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Finding the Fourth Proportional to 350,514.51, 525,771.78 and 84,275.04

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Solution

The fourth proportional to 350,514.51, 525,771.78 and 84,275.04 is: 126,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,514.51 : 525,771.78 = 84,275.04 : x
  2. Step 2: Convert to fraction form
    350,514.51/525,771.78 = 84,275.04/x
  3. Step 3: Cross multiply
    350,514.51x = 525,771.78 × 84,275.04
  4. Step 4: Simplify right side
    350,514.51x = 44,309,436,488.52
  5. Step 5: Solve for x
    x = 44,309,436,488.52/350,514.51
  6. Step 6: Final answer
    x = 126,412.56

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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.