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Finding the Fourth Proportional to 593,802.23, 819,457.58 and 321,879.16

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Solution

The fourth proportional to 593,802.23, 819,457.58 and 321,879.16 is: 444,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,802.23 : 819,457.58 = 321,879.16 : x
  2. Step 2: Convert to fraction form
    593,802.23/819,457.58 = 321,879.16/x
  3. Step 3: Cross multiply
    593,802.23x = 819,457.58 × 321,879.16
  4. Step 4: Simplify right side
    593,802.23x = 263,766,317,506.03
  5. Step 5: Solve for x
    x = 263,766,317,506.03/593,802.23
  6. Step 6: Final answer
    x = 444,198.93

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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.