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Finding the Fourth Proportional to 360,187.86, 540,438.53 and 170,780.91

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Solution

The fourth proportional to 360,187.86, 540,438.53 and 170,780.91 is: 256,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,187.86 : 540,438.53 = 170,780.91 : x
  2. Step 2: Convert to fraction form
    360,187.86/540,438.53 = 170,780.91/x
  3. Step 3: Cross multiply
    360,187.86x = 540,438.53 × 170,780.91
  4. Step 4: Simplify right side
    360,187.86x = 92,296,582,032.56
  5. Step 5: Solve for x
    x = 92,296,582,032.56/360,187.86
  6. Step 6: Final answer
    x = 256,245.67

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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.