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Finding the Fourth Proportional to 517,048.40, 774,673.79 and 362,847.36

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Solution

The fourth proportional to 517,048.40, 774,673.79 and 362,847.36 is: 543,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,048.40 : 774,673.79 = 362,847.36 : x
  2. Step 2: Convert to fraction form
    517,048.40/774,673.79 = 362,847.36/x
  3. Step 3: Cross multiply
    517,048.40x = 774,673.79 × 362,847.36
  4. Step 4: Simplify right side
    517,048.40x = 281,088,342,694.50
  5. Step 5: Solve for x
    x = 281,088,342,694.50/517,048.40
  6. Step 6: Final answer
    x = 543,640.29

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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.