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Finding the Fourth Proportional to 481,609.96, 722,363.10 and 144,615.40

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Solution

The fourth proportional to 481,609.96, 722,363.10 and 144,615.40 is: 216,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,609.96 : 722,363.10 = 144,615.40 : x
  2. Step 2: Convert to fraction form
    481,609.96/722,363.10 = 144,615.40/x
  3. Step 3: Cross multiply
    481,609.96x = 722,363.10 × 144,615.40
  4. Step 4: Simplify right side
    481,609.96x = 104,464,828,651.74
  5. Step 5: Solve for x
    x = 104,464,828,651.74/481,609.96
  6. Step 6: Final answer
    x = 216,907.53

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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.