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Finding the Fourth Proportional to 549,268.88, 757,860.36 and 334,406.48

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Solution

The fourth proportional to 549,268.88, 757,860.36 and 334,406.48 is: 461,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,268.88 : 757,860.36 = 334,406.48 : x
  2. Step 2: Convert to fraction form
    549,268.88/757,860.36 = 334,406.48/x
  3. Step 3: Cross multiply
    549,268.88x = 757,860.36 × 334,406.48
  4. Step 4: Simplify right side
    549,268.88x = 253,433,415,319.13
  5. Step 5: Solve for x
    x = 253,433,415,319.13/549,268.88
  6. Step 6: Final answer
    x = 461,401.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.