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Finding the Fourth Proportional to 253,547.43, 380,512.44 and 173,393.88

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Solution

The fourth proportional to 253,547.43, 380,512.44 and 173,393.88 is: 260,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,547.43 : 380,512.44 = 173,393.88 : x
  2. Step 2: Convert to fraction form
    253,547.43/380,512.44 = 173,393.88/x
  3. Step 3: Cross multiply
    253,547.43x = 380,512.44 × 173,393.88
  4. Step 4: Simplify right side
    253,547.43x = 65,978,528,359.87
  5. Step 5: Solve for x
    x = 65,978,528,359.87/253,547.43
  6. Step 6: Final answer
    x = 260,221.64

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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.