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Finding the Fourth Proportional to 316,077.72, 474,103.89 and 174,204.24

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Solution

The fourth proportional to 316,077.72, 474,103.89 and 174,204.24 is: 261,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,077.72 : 474,103.89 = 174,204.24 : x
  2. Step 2: Convert to fraction form
    316,077.72/474,103.89 = 174,204.24/x
  3. Step 3: Cross multiply
    316,077.72x = 474,103.89 × 174,204.24
  4. Step 4: Simplify right side
    316,077.72x = 82,590,907,838.49
  5. Step 5: Solve for x
    x = 82,590,907,838.49/316,077.72
  6. Step 6: Final answer
    x = 261,299.37

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1.5x scale

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.