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Finding the Fourth Proportional to 754,912.68, 1,041,813.81 and 468,525.03

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Solution

The fourth proportional to 754,912.68, 1,041,813.81 and 468,525.03 is: 646,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,912.68 : 1,041,813.81 = 468,525.03 : x
  2. Step 2: Convert to fraction form
    754,912.68/1,041,813.81 = 468,525.03/x
  3. Step 3: Cross multiply
    754,912.68x = 1,041,813.81 × 468,525.03
  4. Step 4: Simplify right side
    754,912.68x = 488,115,846,584.66
  5. Step 5: Solve for x
    x = 488,115,846,584.66/754,912.68
  6. Step 6: Final answer
    x = 646,585.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.