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Finding the Fourth Proportional to 635,017.66, 876,323.16 and 363,090.64

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Solution

The fourth proportional to 635,017.66, 876,323.16 and 363,090.64 is: 501,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,017.66 : 876,323.16 = 363,090.64 : x
  2. Step 2: Convert to fraction form
    635,017.66/876,323.16 = 363,090.64/x
  3. Step 3: Cross multiply
    635,017.66x = 876,323.16 × 363,090.64
  4. Step 4: Simplify right side
    635,017.66x = 318,184,737,011.22
  5. Step 5: Solve for x
    x = 318,184,737,011.22/635,017.66
  6. Step 6: Final answer
    x = 501,064.39

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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.