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Finding the Fourth Proportional to 352,507.56, 486,461.01 and 191,362.69

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Solution

The fourth proportional to 352,507.56, 486,461.01 and 191,362.69 is: 264,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,507.56 : 486,461.01 = 191,362.69 : x
  2. Step 2: Convert to fraction form
    352,507.56/486,461.01 = 191,362.69/x
  3. Step 3: Cross multiply
    352,507.56x = 486,461.01 × 191,362.69
  4. Step 4: Simplify right side
    352,507.56x = 93,090,487,453.72
  5. Step 5: Solve for x
    x = 93,090,487,453.72/352,507.56
  6. Step 6: Final answer
    x = 264,080.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.