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Finding the Fourth Proportional to 344,539.12, 475,609.80 and 323,016.88

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Solution

The fourth proportional to 344,539.12, 475,609.80 and 323,016.88 is: 445,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,539.12 : 475,609.80 = 323,016.88 : x
  2. Step 2: Convert to fraction form
    344,539.12/475,609.80 = 323,016.88/x
  3. Step 3: Cross multiply
    344,539.12x = 475,609.80 × 323,016.88
  4. Step 4: Simplify right side
    344,539.12x = 153,629,993,693.42
  5. Step 5: Solve for x
    x = 153,629,993,693.42/344,539.12
  6. Step 6: Final answer
    x = 445,900.00

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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.