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Finding the Fourth Proportional to 478,702.42, 660,613.37 and 263,843.02

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Solution

The fourth proportional to 478,702.42, 660,613.37 and 263,843.02 is: 364,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,702.42 : 660,613.37 = 263,843.02 : x
  2. Step 2: Convert to fraction form
    478,702.42/660,613.37 = 263,843.02/x
  3. Step 3: Cross multiply
    478,702.42x = 660,613.37 × 263,843.02
  4. Step 4: Simplify right side
    478,702.42x = 174,298,226,593.18
  5. Step 5: Solve for x
    x = 174,298,226,593.18/478,702.42
  6. Step 6: Final answer
    x = 364,105.59

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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.