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Finding the Fourth Proportional to 560,268.36, 773,175.92 and 305,624.88

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Solution

The fourth proportional to 560,268.36, 773,175.92 and 305,624.88 is: 421,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,268.36 : 773,175.92 = 305,624.88 : x
  2. Step 2: Convert to fraction form
    560,268.36/773,175.92 = 305,624.88/x
  3. Step 3: Cross multiply
    560,268.36x = 773,175.92 × 305,624.88
  4. Step 4: Simplify right side
    560,268.36x = 236,301,797,768.89
  5. Step 5: Solve for x
    x = 236,301,797,768.89/560,268.36
  6. Step 6: Final answer
    x = 421,765.38

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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.