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Finding the Fourth Proportional to 578,146.01, 797,821.48 and 320,034.22

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Solution

The fourth proportional to 578,146.01, 797,821.48 and 320,034.22 is: 441,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,146.01 : 797,821.48 = 320,034.22 : x
  2. Step 2: Convert to fraction form
    578,146.01/797,821.48 = 320,034.22/x
  3. Step 3: Cross multiply
    578,146.01x = 797,821.48 × 320,034.22
  4. Step 4: Simplify right side
    578,146.01x = 255,330,173,456.54
  5. Step 5: Solve for x
    x = 255,330,173,456.54/578,146.01
  6. Step 6: Final answer
    x = 441,636.14

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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.