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Finding the Fourth Proportional to 468,646.20, 702,969.30 and 113,659.65

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Solution

The fourth proportional to 468,646.20, 702,969.30 and 113,659.65 is: 170,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,646.20 : 702,969.30 = 113,659.65 : x
  2. Step 2: Convert to fraction form
    468,646.20/702,969.30 = 113,659.65/x
  3. Step 3: Cross multiply
    468,646.20x = 702,969.30 × 113,659.65
  4. Step 4: Simplify right side
    468,646.20x = 79,899,244,598.75
  5. Step 5: Solve for x
    x = 79,899,244,598.75/468,646.20
  6. Step 6: Final answer
    x = 170,489.48

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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.