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Finding the Fourth Proportional to 549,077.81, 757,335.96 and 334,231.65

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Solution

The fourth proportional to 549,077.81, 757,335.96 and 334,231.65 is: 461,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,077.81 : 757,335.96 = 334,231.65 : x
  2. Step 2: Convert to fraction form
    549,077.81/757,335.96 = 334,231.65/x
  3. Step 3: Cross multiply
    549,077.81x = 757,335.96 × 334,231.65
  4. Step 4: Simplify right side
    549,077.81x = 253,125,647,515.13
  5. Step 5: Solve for x
    x = 253,125,647,515.13/549,077.81
  6. Step 6: Final answer
    x = 461,001.42

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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.