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Finding the Fourth Proportional to 575,883.21, 794,735.73 and 321,228.93

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Solution

The fourth proportional to 575,883.21, 794,735.73 and 321,228.93 is: 443,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,883.21 : 794,735.73 = 321,228.93 : x
  2. Step 2: Convert to fraction form
    575,883.21/794,735.73 = 321,228.93/x
  3. Step 3: Cross multiply
    575,883.21x = 794,735.73 × 321,228.93
  4. Step 4: Simplify right side
    575,883.21x = 255,292,108,180.67
  5. Step 5: Solve for x
    x = 255,292,108,180.67/575,883.21
  6. Step 6: Final answer
    x = 443,305.35

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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.