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Finding the Fourth Proportional to 549,741.98, 758,634.41 and 308,023.81

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Solution

The fourth proportional to 549,741.98, 758,634.41 and 308,023.81 is: 425,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,741.98 : 758,634.41 = 308,023.81 : x
  2. Step 2: Convert to fraction form
    549,741.98/758,634.41 = 308,023.81/x
  3. Step 3: Cross multiply
    549,741.98x = 758,634.41 × 308,023.81
  4. Step 4: Simplify right side
    549,741.98x = 233,677,460,238.78
  5. Step 5: Solve for x
    x = 233,677,460,238.78/549,741.98
  6. Step 6: Final answer
    x = 425,067.52

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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.