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Finding the Fourth Proportional to 549,296.91, 757,989.72 and 334,506.15

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Solution

The fourth proportional to 549,296.91, 757,989.72 and 334,506.15 is: 461,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,296.91 : 757,989.72 = 334,506.15 : x
  2. Step 2: Convert to fraction form
    549,296.91/757,989.72 = 334,506.15/x
  3. Step 3: Cross multiply
    549,296.91x = 757,989.72 × 334,506.15
  4. Step 4: Simplify right side
    549,296.91x = 253,552,222,976.78
  5. Step 5: Solve for x
    x = 253,552,222,976.78/549,296.91
  6. Step 6: Final answer
    x = 461,594.12

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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.