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Finding the Fourth Proportional to 417,533.28, 625,512.48 and 323,579.76

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Solution

The fourth proportional to 417,533.28, 625,512.48 and 323,579.76 is: 484,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,533.28 : 625,512.48 = 323,579.76 : x
  2. Step 2: Convert to fraction form
    417,533.28/625,512.48 = 323,579.76/x
  3. Step 3: Cross multiply
    417,533.28x = 625,512.48 × 323,579.76
  4. Step 4: Simplify right side
    417,533.28x = 202,403,178,155.41
  5. Step 5: Solve for x
    x = 202,403,178,155.41/417,533.28
  6. Step 6: Final answer
    x = 484,759.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.