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Finding the Fourth Proportional to 635,893.64, 877,582.05 and 364,046.81

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Solution

The fourth proportional to 635,893.64, 877,582.05 and 364,046.81 is: 502,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,893.64 : 877,582.05 = 364,046.81 : x
  2. Step 2: Convert to fraction form
    635,893.64/877,582.05 = 364,046.81/x
  3. Step 3: Cross multiply
    635,893.64x = 877,582.05 × 364,046.81
  4. Step 4: Simplify right side
    635,893.64x = 319,480,940,062.68
  5. Step 5: Solve for x
    x = 319,480,940,062.68/635,893.64
  6. Step 6: Final answer
    x = 502,412.54

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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.