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Finding the Fourth Proportional to 575,809.88, 794,618.76 and 321,177.56

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Solution

The fourth proportional to 575,809.88, 794,618.76 and 321,177.56 is: 443,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,809.88 : 794,618.76 = 321,177.56 : x
  2. Step 2: Convert to fraction form
    575,809.88/794,618.76 = 321,177.56/x
  3. Step 3: Cross multiply
    575,809.88x = 794,618.76 × 321,177.56
  4. Step 4: Simplify right side
    575,809.88x = 255,213,714,467.03
  5. Step 5: Solve for x
    x = 255,213,714,467.03/575,809.88
  6. Step 6: Final answer
    x = 443,225.66

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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.