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Finding the Fourth Proportional to 453,772.08, 625,533.96 and 290,410.56

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Solution

The fourth proportional to 453,772.08, 625,533.96 and 290,410.56 is: 400,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,772.08 : 625,533.96 = 290,410.56 : x
  2. Step 2: Convert to fraction form
    453,772.08/625,533.96 = 290,410.56/x
  3. Step 3: Cross multiply
    453,772.08x = 625,533.96 × 290,410.56
  4. Step 4: Simplify right side
    453,772.08x = 181,661,667,622.62
  5. Step 5: Solve for x
    x = 181,661,667,622.62/453,772.08
  6. Step 6: Final answer
    x = 400,336.81

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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.