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Finding the Fourth Proportional to 325,173.90, 448,543.53 and 214,793.22

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Solution

The fourth proportional to 325,173.90, 448,543.53 and 214,793.22 is: 296,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,173.90 : 448,543.53 = 214,793.22 : x
  2. Step 2: Convert to fraction form
    325,173.90/448,543.53 = 214,793.22/x
  3. Step 3: Cross multiply
    325,173.90x = 448,543.53 × 214,793.22
  4. Step 4: Simplify right side
    325,173.90x = 96,344,109,118.87
  5. Step 5: Solve for x
    x = 96,344,109,118.87/325,173.90
  6. Step 6: Final answer
    x = 296,284.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.