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Finding the Fourth Proportional to 575,392.56, 794,012.67 and 320,694.54

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Solution

The fourth proportional to 575,392.56, 794,012.67 and 320,694.54 is: 442,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,392.56 : 794,012.67 = 320,694.54 : x
  2. Step 2: Convert to fraction form
    575,392.56/794,012.67 = 320,694.54/x
  3. Step 3: Cross multiply
    575,392.56x = 794,012.67 × 320,694.54
  4. Step 4: Simplify right side
    575,392.56x = 254,635,527,959.82
  5. Step 5: Solve for x
    x = 254,635,527,959.82/575,392.56
  6. Step 6: Final answer
    x = 442,542.27

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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.