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Finding the Fourth Proportional to 621,842.00, 932,709.26 and 378,619.92

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Solution

The fourth proportional to 621,842.00, 932,709.26 and 378,619.92 is: 567,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,842.00 : 932,709.26 = 378,619.92 : x
  2. Step 2: Convert to fraction form
    621,842.00/932,709.26 = 378,619.92/x
  3. Step 3: Cross multiply
    621,842.00x = 932,709.26 × 378,619.92
  4. Step 4: Simplify right side
    621,842.00x = 353,142,306,351.01
  5. Step 5: Solve for x
    x = 353,142,306,351.01/621,842.00
  6. Step 6: Final answer
    x = 567,897.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.