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Finding the Fourth Proportional to 635,328, 876,752.64 and 367,056

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Solution

The fourth proportional to 635,328, 876,752.64 and 367,056 is: 506,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,328 : 876,752.64 = 367,056 : x
  2. Step 2: Convert to fraction form
    635,328/876,752.64 = 367,056/x
  3. Step 3: Cross multiply
    635,328x = 876,752.64 × 367,056
  4. Step 4: Simplify right side
    635,328x = 321,817,317,027.84
  5. Step 5: Solve for x
    x = 321,817,317,027.84/635,328
  6. Step 6: Final answer
    x = 506,537.28

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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.