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Finding the Fourth Proportional to 635,804.64, 877,561.09 and 364,028.88

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Solution

The fourth proportional to 635,804.64, 877,561.09 and 364,028.88 is: 502,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,804.64 : 877,561.09 = 364,028.88 : x
  2. Step 2: Convert to fraction form
    635,804.64/877,561.09 = 364,028.88/x
  3. Step 3: Cross multiply
    635,804.64x = 877,561.09 × 364,028.88
  4. Step 4: Simplify right side
    635,804.64x = 319,457,583,105.06
  5. Step 5: Solve for x
    x = 319,457,583,105.06/635,804.64
  6. Step 6: Final answer
    x = 502,446.13

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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.