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Finding the Fourth Proportional to 433,686.60, 650,627.10 and 167,423.40

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Solution

The fourth proportional to 433,686.60, 650,627.10 and 167,423.40 is: 251,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,686.60 : 650,627.10 = 167,423.40 : x
  2. Step 2: Convert to fraction form
    433,686.60/650,627.10 = 167,423.40/x
  3. Step 3: Cross multiply
    433,686.60x = 650,627.10 × 167,423.40
  4. Step 4: Simplify right side
    433,686.60x = 108,930,201,214.14
  5. Step 5: Solve for x
    x = 108,930,201,214.14/433,686.60
  6. Step 6: Final answer
    x = 251,172.62

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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.