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Finding the Fourth Proportional to 476,584.53, 715,040.79 and 298,883.49

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Solution

The fourth proportional to 476,584.53, 715,040.79 and 298,883.49 is: 448,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,584.53 : 715,040.79 = 298,883.49 : x
  2. Step 2: Convert to fraction form
    476,584.53/715,040.79 = 298,883.49/x
  3. Step 3: Cross multiply
    476,584.53x = 715,040.79 × 298,883.49
  4. Step 4: Simplify right side
    476,584.53x = 213,713,886,807.56
  5. Step 5: Solve for x
    x = 213,713,886,807.56/476,584.53
  6. Step 6: Final answer
    x = 448,428.08

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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.