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Finding the Fourth Proportional to 554,064.48, 764,512.56 and 327,627.36

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Solution

The fourth proportional to 554,064.48, 764,512.56 and 327,627.36 is: 452,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,064.48 : 764,512.56 = 327,627.36 : x
  2. Step 2: Convert to fraction form
    554,064.48/764,512.56 = 327,627.36/x
  3. Step 3: Cross multiply
    554,064.48x = 764,512.56 × 327,627.36
  4. Step 4: Simplify right side
    554,064.48x = 250,475,231,719.64
  5. Step 5: Solve for x
    x = 250,475,231,719.64/554,064.48
  6. Step 6: Final answer
    x = 452,068.74

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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.