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Finding the Fourth Proportional to 549,796.48, 758,718.15 and 334,936.54

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Solution

The fourth proportional to 549,796.48, 758,718.15 and 334,936.54 is: 462,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,796.48 : 758,718.15 = 334,936.54 : x
  2. Step 2: Convert to fraction form
    549,796.48/758,718.15 = 334,936.54/x
  3. Step 3: Cross multiply
    549,796.48x = 758,718.15 × 334,936.54
  4. Step 4: Simplify right side
    549,796.48x = 254,122,431,996.20
  5. Step 5: Solve for x
    x = 254,122,431,996.20/549,796.48
  6. Step 6: Final answer
    x = 462,211.82

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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.