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Finding the Fourth Proportional to 433,318.61, 650,204.60 and 177,341.20

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Solution

The fourth proportional to 433,318.61, 650,204.60 and 177,341.20 is: 266,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,318.61 : 650,204.60 = 177,341.20 : x
  2. Step 2: Convert to fraction form
    433,318.61/650,204.60 = 177,341.20/x
  3. Step 3: Cross multiply
    433,318.61x = 650,204.60 × 177,341.20
  4. Step 4: Simplify right side
    433,318.61x = 115,308,061,497.30
  5. Step 5: Solve for x
    x = 115,308,061,497.30/433,318.61
  6. Step 6: Final answer
    x = 266,104.57

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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.