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Finding the Fourth Proportional to 503,469, 755,205.53 and 203,955.23

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Solution

The fourth proportional to 503,469, 755,205.53 and 203,955.23 is: 305,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,469 : 755,205.53 = 203,955.23 : x
  2. Step 2: Convert to fraction form
    503,469/755,205.53 = 203,955.23/x
  3. Step 3: Cross multiply
    503,469x = 755,205.53 × 203,955.23
  4. Step 4: Simplify right side
    503,469x = 154,028,118,436.66
  5. Step 5: Solve for x
    x = 154,028,118,436.66/503,469
  6. Step 6: Final answer
    x = 305,933.67

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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.