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Finding the Fourth Proportional to 433,486.82, 650,164.62 and 117,968.34

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Solution

The fourth proportional to 433,486.82, 650,164.62 and 117,968.34 is: 176,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,486.82 : 650,164.62 = 117,968.34 : x
  2. Step 2: Convert to fraction form
    433,486.82/650,164.62 = 117,968.34/x
  3. Step 3: Cross multiply
    433,486.82x = 650,164.62 × 117,968.34
  4. Step 4: Simplify right side
    433,486.82x = 76,698,840,948.13
  5. Step 5: Solve for x
    x = 76,698,840,948.13/433,486.82
  6. Step 6: Final answer
    x = 176,934.66

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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.