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Finding the Fourth Proportional to 465,816.40, 698,872.22 and 166,290.34

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Solution

The fourth proportional to 465,816.40, 698,872.22 and 166,290.34 is: 249,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,816.40 : 698,872.22 = 166,290.34 : x
  2. Step 2: Convert to fraction form
    465,816.40/698,872.22 = 166,290.34/x
  3. Step 3: Cross multiply
    465,816.40x = 698,872.22 × 166,290.34
  4. Step 4: Simplify right side
    465,816.40x = 116,215,699,080.36
  5. Step 5: Solve for x
    x = 116,215,699,080.36/465,816.40
  6. Step 6: Final answer
    x = 249,488.21

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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.