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Finding the Fourth Proportional to 549,266.88, 757,857.60 and 334,404.48

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Solution

The fourth proportional to 549,266.88, 757,857.60 and 334,404.48 is: 461,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,266.88 : 757,857.60 = 334,404.48 : x
  2. Step 2: Convert to fraction form
    549,266.88/757,857.60 = 334,404.48/x
  3. Step 3: Cross multiply
    549,266.88x = 757,857.60 × 334,404.48
  4. Step 4: Simplify right side
    549,266.88x = 253,430,976,642.05
  5. Step 5: Solve for x
    x = 253,430,976,642.05/549,266.88
  6. Step 6: Final answer
    x = 461,398.61

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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.