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Finding the Fourth Proportional to 549,833.11, 758,769.17 and 308,117.41

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Solution

The fourth proportional to 549,833.11, 758,769.17 and 308,117.41 is: 425,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,833.11 : 758,769.17 = 308,117.41 : x
  2. Step 2: Convert to fraction form
    549,833.11/758,769.17 = 308,117.41/x
  3. Step 3: Cross multiply
    549,833.11x = 758,769.17 × 308,117.41
  4. Step 4: Simplify right side
    549,833.11x = 233,789,988,010.74
  5. Step 5: Solve for x
    x = 233,789,988,010.74/549,833.11
  6. Step 6: Final answer
    x = 425,201.73

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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.