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Finding the Fourth Proportional to 554,057.48, 764,502.90 and 327,620.36

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Solution

The fourth proportional to 554,057.48, 764,502.90 and 327,620.36 is: 452,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,057.48 : 764,502.90 = 327,620.36 : x
  2. Step 2: Convert to fraction form
    554,057.48/764,502.90 = 327,620.36/x
  3. Step 3: Cross multiply
    554,057.48x = 764,502.90 × 327,620.36
  4. Step 4: Simplify right side
    554,057.48x = 250,466,715,319.04
  5. Step 5: Solve for x
    x = 250,466,715,319.04/554,057.48
  6. Step 6: Final answer
    x = 452,059.08

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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.