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Finding the Fourth Proportional to 554,181.80, 764,770.02 and 327,828.20

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Solution

The fourth proportional to 554,181.80, 764,770.02 and 327,828.20 is: 452,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,181.80 : 764,770.02 = 327,828.20 : x
  2. Step 2: Convert to fraction form
    554,181.80/764,770.02 = 327,828.20/x
  3. Step 3: Cross multiply
    554,181.80x = 764,770.02 × 327,828.20
  4. Step 4: Simplify right side
    554,181.80x = 250,713,179,070.56
  5. Step 5: Solve for x
    x = 250,713,179,070.56/554,181.80
  6. Step 6: Final answer
    x = 452,402.40

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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.