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Finding the Fourth Proportional to 635,978.90, 953,968.90 and 236,567.90

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Solution

The fourth proportional to 635,978.90, 953,968.90 and 236,567.90 is: 354,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,978.90 : 953,968.90 = 236,567.90 : x
  2. Step 2: Convert to fraction form
    635,978.90/953,968.90 = 236,567.90/x
  3. Step 3: Cross multiply
    635,978.90x = 953,968.90 × 236,567.90
  4. Step 4: Simplify right side
    635,978.90x = 225,678,419,338.31
  5. Step 5: Solve for x
    x = 225,678,419,338.31/635,978.90
  6. Step 6: Final answer
    x = 354,852.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.