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Finding the Fourth Proportional to 567,729.27, 783,430.56 and 325,841.58

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Solution

The fourth proportional to 567,729.27, 783,430.56 and 325,841.58 is: 449,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,729.27 : 783,430.56 = 325,841.58 : x
  2. Step 2: Convert to fraction form
    567,729.27/783,430.56 = 325,841.58/x
  3. Step 3: Cross multiply
    567,729.27x = 783,430.56 × 325,841.58
  4. Step 4: Simplify right side
    567,729.27x = 255,274,251,490.69
  5. Step 5: Solve for x
    x = 255,274,251,490.69/567,729.27
  6. Step 6: Final answer
    x = 449,640.81

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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.