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Finding the Fourth Proportional to 504,019.05, 756,028.58 and 204,643.05

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Solution

The fourth proportional to 504,019.05, 756,028.58 and 204,643.05 is: 306,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,019.05 : 756,028.58 = 204,643.05 : x
  2. Step 2: Convert to fraction form
    504,019.05/756,028.58 = 204,643.05/x
  3. Step 3: Cross multiply
    504,019.05x = 756,028.58 × 204,643.05
  4. Step 4: Simplify right side
    504,019.05x = 154,715,993,475.15
  5. Step 5: Solve for x
    x = 154,715,993,475.15/504,019.05
  6. Step 6: Final answer
    x = 306,964.58

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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.