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Finding the Fourth Proportional to 515,684.98, 773,525.64 and 160,699.24

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Solution

The fourth proportional to 515,684.98, 773,525.64 and 160,699.24 is: 241,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,684.98 : 773,525.64 = 160,699.24 : x
  2. Step 2: Convert to fraction form
    515,684.98/773,525.64 = 160,699.24/x
  3. Step 3: Cross multiply
    515,684.98x = 773,525.64 × 160,699.24
  4. Step 4: Simplify right side
    515,684.98x = 124,304,978,600.89
  5. Step 5: Solve for x
    x = 124,304,978,600.89/515,684.98
  6. Step 6: Final answer
    x = 241,048.28

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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.