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Finding the Fourth Proportional to 301,628.32, 415,967.12 and 194,008.48

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Solution

The fourth proportional to 301,628.32, 415,967.12 and 194,008.48 is: 267,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,628.32 : 415,967.12 = 194,008.48 : x
  2. Step 2: Convert to fraction form
    301,628.32/415,967.12 = 194,008.48/x
  3. Step 3: Cross multiply
    301,628.32x = 415,967.12 × 194,008.48
  4. Step 4: Simplify right side
    301,628.32x = 80,701,148,681.18
  5. Step 5: Solve for x
    x = 80,701,148,681.18/301,628.32
  6. Step 6: Final answer
    x = 267,551.63

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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.