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Finding the Fourth Proportional to 575,933.41, 794,809.74 and 321,333.76

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Solution

The fourth proportional to 575,933.41, 794,809.74 and 321,333.76 is: 443,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,933.41 : 794,809.74 = 321,333.76 : x
  2. Step 2: Convert to fraction form
    575,933.41/794,809.74 = 321,333.76/x
  3. Step 3: Cross multiply
    575,933.41x = 794,809.74 × 321,333.76
  4. Step 4: Simplify right side
    575,933.41x = 255,399,202,238.82
  5. Step 5: Solve for x
    x = 255,399,202,238.82/575,933.41
  6. Step 6: Final answer
    x = 443,452.66

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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.