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Finding the Fourth Proportional to 360,885.74, 540,971.61 and 171,012.62

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Solution

The fourth proportional to 360,885.74, 540,971.61 and 171,012.62 is: 256,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,885.74 : 540,971.61 = 171,012.62 : x
  2. Step 2: Convert to fraction form
    360,885.74/540,971.61 = 171,012.62/x
  3. Step 3: Cross multiply
    360,885.74x = 540,971.61 × 171,012.62
  4. Step 4: Simplify right side
    360,885.74x = 92,512,972,371.72
  5. Step 5: Solve for x
    x = 92,512,972,371.72/360,885.74
  6. Step 6: Final answer
    x = 256,349.76

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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.