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Finding the Fourth Proportional to 433,935.60, 651,000.60 and 167,672.40

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Solution

The fourth proportional to 433,935.60, 651,000.60 and 167,672.40 is: 251,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,935.60 : 651,000.60 = 167,672.40 : x
  2. Step 2: Convert to fraction form
    433,935.60/651,000.60 = 167,672.40/x
  3. Step 3: Cross multiply
    433,935.60x = 651,000.60 × 167,672.40
  4. Step 4: Simplify right side
    433,935.60x = 109,154,833,003.44
  5. Step 5: Solve for x
    x = 109,154,833,003.44/433,935.60
  6. Step 6: Final answer
    x = 251,546.16

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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.