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Finding the Fourth Proportional to 337,089.12, 505,509.60 and 137,301

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Solution

The fourth proportional to 337,089.12, 505,509.60 and 137,301 is: 205,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,089.12 : 505,509.60 = 137,301 : x
  2. Step 2: Convert to fraction form
    337,089.12/505,509.60 = 137,301/x
  3. Step 3: Cross multiply
    337,089.12x = 505,509.60 × 137,301
  4. Step 4: Simplify right side
    337,089.12x = 69,406,973,589.60
  5. Step 5: Solve for x
    x = 69,406,973,589.60/337,089.12
  6. Step 6: Final answer
    x = 205,900.96

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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.