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Finding the Fourth Proportional to 549,131.94, 823,382.43 and 292,648.68

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Solution

The fourth proportional to 549,131.94, 823,382.43 and 292,648.68 is: 438,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,131.94 : 823,382.43 = 292,648.68 : x
  2. Step 2: Convert to fraction form
    549,131.94/823,382.43 = 292,648.68/x
  3. Step 3: Cross multiply
    549,131.94x = 823,382.43 × 292,648.68
  4. Step 4: Simplify right side
    549,131.94x = 240,961,781,274.69
  5. Step 5: Solve for x
    x = 240,961,781,274.69/549,131.94
  6. Step 6: Final answer
    x = 438,804.89

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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.