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Finding the Fourth Proportional to 575,870.24, 794,717.76 and 321,215.92

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Solution

The fourth proportional to 575,870.24, 794,717.76 and 321,215.92 is: 443,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,870.24 : 794,717.76 = 321,215.92 : x
  2. Step 2: Convert to fraction form
    575,870.24/794,717.76 = 321,215.92/x
  3. Step 3: Cross multiply
    575,870.24x = 794,717.76 × 321,215.92
  4. Step 4: Simplify right side
    575,870.24x = 255,275,996,418.74
  5. Step 5: Solve for x
    x = 255,275,996,418.74/575,870.24
  6. Step 6: Final answer
    x = 443,287.36

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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.