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Finding the Fourth Proportional to 549,298.79, 757,992.31 and 334,508.03

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Solution

The fourth proportional to 549,298.79, 757,992.31 and 334,508.03 is: 461,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,298.79 : 757,992.31 = 334,508.03 : x
  2. Step 2: Convert to fraction form
    549,298.79/757,992.31 = 334,508.03/x
  3. Step 3: Cross multiply
    549,298.79x = 757,992.31 × 334,508.03
  4. Step 4: Simplify right side
    549,298.79x = 253,554,509,747.02
  5. Step 5: Solve for x
    x = 253,554,509,747.02/549,298.79
  6. Step 6: Final answer
    x = 461,596.71

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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.