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Finding the Fourth Proportional to 575,876.24, 794,726.04 and 321,221.92

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Solution

The fourth proportional to 575,876.24, 794,726.04 and 321,221.92 is: 443,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,876.24 : 794,726.04 = 321,221.92 : x
  2. Step 2: Convert to fraction form
    575,876.24/794,726.04 = 321,221.92/x
  3. Step 3: Cross multiply
    575,876.24x = 794,726.04 × 321,221.92
  4. Step 4: Simplify right side
    575,876.24x = 255,283,424,442.80
  5. Step 5: Solve for x
    x = 255,283,424,442.80/575,876.24
  6. Step 6: Final answer
    x = 443,295.64

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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.