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Finding the Fourth Proportional to 575,808.88, 794,617.38 and 321,176.56

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Solution

The fourth proportional to 575,808.88, 794,617.38 and 321,176.56 is: 443,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,808.88 : 794,617.38 = 321,176.56 : x
  2. Step 2: Convert to fraction form
    575,808.88/794,617.38 = 321,176.56/x
  3. Step 3: Cross multiply
    575,808.88x = 794,617.38 × 321,176.56
  4. Step 4: Simplify right side
    575,808.88x = 255,212,476,624.61
  5. Step 5: Solve for x
    x = 255,212,476,624.61/575,808.88
  6. Step 6: Final answer
    x = 443,224.28

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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.