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Finding the Fourth Proportional to 549,298.91, 757,992.48 and 334,508.15

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Solution

The fourth proportional to 549,298.91, 757,992.48 and 334,508.15 is: 461,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,298.91 : 757,992.48 = 334,508.15 : x
  2. Step 2: Convert to fraction form
    549,298.91/757,992.48 = 334,508.15/x
  3. Step 3: Cross multiply
    549,298.91x = 757,992.48 × 334,508.15
  4. Step 4: Simplify right side
    549,298.91x = 253,554,662,198.71
  5. Step 5: Solve for x
    x = 253,554,662,198.71/549,298.91
  6. Step 6: Final answer
    x = 461,596.88

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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.