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Finding the Fourth Proportional to 254,214.98, 350,143.23 and 189,476.75

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Solution

The fourth proportional to 254,214.98, 350,143.23 and 189,476.75 is: 260,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,214.98 : 350,143.23 = 189,476.75 : x
  2. Step 2: Convert to fraction form
    254,214.98/350,143.23 = 189,476.75/x
  3. Step 3: Cross multiply
    254,214.98x = 350,143.23 × 189,476.75
  4. Step 4: Simplify right side
    254,214.98x = 66,344,001,254.90
  5. Step 5: Solve for x
    x = 66,344,001,254.90/254,214.98
  6. Step 6: Final answer
    x = 260,975.97

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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.