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Finding the Fourth Proportional to 554,181.96, 764,771.22 and 299,532.36

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Solution

The fourth proportional to 554,181.96, 764,771.22 and 299,532.36 is: 413,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,181.96 : 764,771.22 = 299,532.36 : x
  2. Step 2: Convert to fraction form
    554,181.96/764,771.22 = 299,532.36/x
  3. Step 3: Cross multiply
    554,181.96x = 764,771.22 × 299,532.36
  4. Step 4: Simplify right side
    554,181.96x = 229,073,728,386.68
  5. Step 5: Solve for x
    x = 229,073,728,386.68/554,181.96
  6. Step 6: Final answer
    x = 413,354.72

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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.