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Finding the Fourth Proportional to 504,039.80, 756,059.70 and 444,990.80

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Solution

The fourth proportional to 504,039.80, 756,059.70 and 444,990.80 is: 667,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,039.80 : 756,059.70 = 444,990.80 : x
  2. Step 2: Convert to fraction form
    504,039.80/756,059.70 = 444,990.80/x
  3. Step 3: Cross multiply
    504,039.80x = 756,059.70 × 444,990.80
  4. Step 4: Simplify right side
    504,039.80x = 336,439,610,750.76
  5. Step 5: Solve for x
    x = 336,439,610,750.76/504,039.80
  6. Step 6: Final answer
    x = 667,486.20

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Similar ratio
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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.