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Finding the Fourth Proportional to 337,405.60, 505,962.60 and 168,860.80

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Solution

The fourth proportional to 337,405.60, 505,962.60 and 168,860.80 is: 253,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,405.60 : 505,962.60 = 168,860.80 : x
  2. Step 2: Convert to fraction form
    337,405.60/505,962.60 = 168,860.80/x
  3. Step 3: Cross multiply
    337,405.60x = 505,962.60 × 168,860.80
  4. Step 4: Simplify right side
    337,405.60x = 85,437,249,406.08
  5. Step 5: Solve for x
    x = 85,437,249,406.08/337,405.60
  6. Step 6: Final answer
    x = 253,218.23

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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.