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Finding the Fourth Proportional to 593,810.16, 819,456.12 and 321,879.12

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Solution

The fourth proportional to 593,810.16, 819,456.12 and 321,879.12 is: 444,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,810.16 : 819,456.12 = 321,879.12 : x
  2. Step 2: Convert to fraction form
    593,810.16/819,456.12 = 321,879.12/x
  3. Step 3: Cross multiply
    593,810.16x = 819,456.12 × 321,879.12
  4. Step 4: Simplify right side
    593,810.16x = 263,765,814,784.21
  5. Step 5: Solve for x
    x = 263,765,814,784.21/593,810.16
  6. Step 6: Final answer
    x = 444,192.16

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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.