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Finding the Fourth Proportional to 468,996.56, 703,560.40 and 153,390.56

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Solution

The fourth proportional to 468,996.56, 703,560.40 and 153,390.56 is: 230,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,996.56 : 703,560.40 = 153,390.56 : x
  2. Step 2: Convert to fraction form
    468,996.56/703,560.40 = 153,390.56/x
  3. Step 3: Cross multiply
    468,996.56x = 703,560.40 × 153,390.56
  4. Step 4: Simplify right side
    468,996.56x = 107,919,523,749.82
  5. Step 5: Solve for x
    x = 107,919,523,749.82/468,996.56
  6. Step 6: Final answer
    x = 230,107.28

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1.5x scale

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.