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Finding the Fourth Proportional to 433,755.48, 650,663.64 and 134,196.63

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Solution

The fourth proportional to 433,755.48, 650,663.64 and 134,196.63 is: 201,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,755.48 : 650,663.64 = 134,196.63 : x
  2. Step 2: Convert to fraction form
    433,755.48/650,663.64 = 134,196.63/x
  3. Step 3: Cross multiply
    433,755.48x = 650,663.64 × 134,196.63
  4. Step 4: Simplify right side
    433,755.48x = 87,316,867,751.53
  5. Step 5: Solve for x
    x = 87,316,867,751.53/433,755.48
  6. Step 6: Final answer
    x = 201,304.36

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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.