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Finding the Fourth Proportional to 575,999.32, 794,879.56 and 321,350.56

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Solution

The fourth proportional to 575,999.32, 794,879.56 and 321,350.56 is: 443,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,999.32 : 794,879.56 = 321,350.56 : x
  2. Step 2: Convert to fraction form
    575,999.32/794,879.56 = 321,350.56/x
  3. Step 3: Cross multiply
    575,999.32x = 794,879.56 × 321,350.56
  4. Step 4: Simplify right side
    575,999.32x = 255,434,991,738.55
  5. Step 5: Solve for x
    x = 255,434,991,738.55/575,999.32
  6. Step 6: Final answer
    x = 443,464.05

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1.5x scale

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.