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Finding the Fourth Proportional to 442,873.60, 611,192.01 and 335,273.20

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Solution

The fourth proportional to 442,873.60, 611,192.01 and 335,273.20 is: 462,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,873.60 : 611,192.01 = 335,273.20 : x
  2. Step 2: Convert to fraction form
    442,873.60/611,192.01 = 335,273.20/x
  3. Step 3: Cross multiply
    442,873.60x = 611,192.01 × 335,273.20
  4. Step 4: Simplify right side
    442,873.60x = 204,916,301,007.13
  5. Step 5: Solve for x
    x = 204,916,301,007.13/442,873.60
  6. Step 6: Final answer
    x = 462,697.03

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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.