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Finding the Fourth Proportional to 590,250.08, 814,544.16 and 321,978.08

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Solution

The fourth proportional to 590,250.08, 814,544.16 and 321,978.08 is: 444,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,250.08 : 814,544.16 = 321,978.08 : x
  2. Step 2: Convert to fraction form
    590,250.08/814,544.16 = 321,978.08/x
  3. Step 3: Cross multiply
    590,250.08x = 814,544.16 × 321,978.08
  4. Step 4: Simplify right side
    590,250.08x = 262,265,364,712.01
  5. Step 5: Solve for x
    x = 262,265,364,712.01/590,250.08
  6. Step 6: Final answer
    x = 444,329.23

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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.