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Finding the Fourth Proportional to 412,448.30, 618,672.45 and 362,584.70

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Solution

The fourth proportional to 412,448.30, 618,672.45 and 362,584.70 is: 543,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,448.30 : 618,672.45 = 362,584.70 : x
  2. Step 2: Convert to fraction form
    412,448.30/618,672.45 = 362,584.70/x
  3. Step 3: Cross multiply
    412,448.30x = 618,672.45 × 362,584.70
  4. Step 4: Simplify right side
    412,448.30x = 224,321,164,681.52
  5. Step 5: Solve for x
    x = 224,321,164,681.52/412,448.30
  6. Step 6: Final answer
    x = 543,877.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.