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Finding the Fourth Proportional to 575,871.24, 794,719.14 and 321,216.92

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Solution

The fourth proportional to 575,871.24, 794,719.14 and 321,216.92 is: 443,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,871.24 : 794,719.14 = 321,216.92 : x
  2. Step 2: Convert to fraction form
    575,871.24/794,719.14 = 321,216.92/x
  3. Step 3: Cross multiply
    575,871.24x = 794,719.14 × 321,216.92
  4. Step 4: Simplify right side
    575,871.24x = 255,277,234,415.85
  5. Step 5: Solve for x
    x = 255,277,234,415.85/575,871.24
  6. Step 6: Final answer
    x = 443,288.74

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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.