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Finding the Fourth Proportional to 433,116.96, 649,674.88 and 117,620.16

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Solution

The fourth proportional to 433,116.96, 649,674.88 and 117,620.16 is: 176,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,116.96 : 649,674.88 = 117,620.16 : x
  2. Step 2: Convert to fraction form
    433,116.96/649,674.88 = 117,620.16/x
  3. Step 3: Cross multiply
    433,116.96x = 649,674.88 × 117,620.16
  4. Step 4: Simplify right side
    433,116.96x = 76,414,863,333.58
  5. Step 5: Solve for x
    x = 76,414,863,333.58/433,116.96
  6. Step 6: Final answer
    x = 176,430.09

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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.