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Finding the Fourth Proportional to 311,401.30, 467,101.95 and 101,039.24

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Solution

The fourth proportional to 311,401.30, 467,101.95 and 101,039.24 is: 151,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,401.30 : 467,101.95 = 101,039.24 : x
  2. Step 2: Convert to fraction form
    311,401.30/467,101.95 = 101,039.24/x
  3. Step 3: Cross multiply
    311,401.30x = 467,101.95 × 101,039.24
  4. Step 4: Simplify right side
    311,401.30x = 47,195,626,030.52
  5. Step 5: Solve for x
    x = 47,195,626,030.52/311,401.30
  6. Step 6: Final answer
    x = 151,558.86

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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.