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Finding the Fourth Proportional to 433,902.88, 650,916.16 and 134,406.96

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Solution

The fourth proportional to 433,902.88, 650,916.16 and 134,406.96 is: 201,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,902.88 : 650,916.16 = 134,406.96 : x
  2. Step 2: Convert to fraction form
    433,902.88/650,916.16 = 134,406.96/x
  3. Step 3: Cross multiply
    433,902.88x = 650,916.16 × 134,406.96
  4. Step 4: Simplify right side
    433,902.88x = 87,487,662,280.47
  5. Step 5: Solve for x
    x = 87,487,662,280.47/433,902.88
  6. Step 6: Final answer
    x = 201,629.60

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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.