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Finding the Fourth Proportional to 615,457.80, 923,094.36 and 194,679

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Solution

The fourth proportional to 615,457.80, 923,094.36 and 194,679 is: 291,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,457.80 : 923,094.36 = 194,679 : x
  2. Step 2: Convert to fraction form
    615,457.80/923,094.36 = 194,679/x
  3. Step 3: Cross multiply
    615,457.80x = 923,094.36 × 194,679
  4. Step 4: Simplify right side
    615,457.80x = 179,707,086,910.44
  5. Step 5: Solve for x
    x = 179,707,086,910.44/615,457.80
  6. Step 6: Final answer
    x = 291,989.29

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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.