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Finding the Fourth Proportional to 635,202, 876,656.52 and 366,930

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Solution

The fourth proportional to 635,202, 876,656.52 and 366,930 is: 506,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,202 : 876,656.52 = 366,930 : x
  2. Step 2: Convert to fraction form
    635,202/876,656.52 = 366,930/x
  3. Step 3: Cross multiply
    635,202x = 876,656.52 × 366,930
  4. Step 4: Simplify right side
    635,202x = 321,671,576,883.60
  5. Step 5: Solve for x
    x = 321,671,576,883.60/635,202
  6. Step 6: Final answer
    x = 506,408.32

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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.