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Finding the Fourth Proportional to 552,635.56, 762,568.50 and 348,609.16

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Solution

The fourth proportional to 552,635.56, 762,568.50 and 348,609.16 is: 481,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,635.56 : 762,568.50 = 348,609.16 : x
  2. Step 2: Convert to fraction form
    552,635.56/762,568.50 = 348,609.16/x
  3. Step 3: Cross multiply
    552,635.56x = 762,568.50 × 348,609.16
  4. Step 4: Simplify right side
    552,635.56x = 265,838,364,227.46
  5. Step 5: Solve for x
    x = 265,838,364,227.46/552,635.56
  6. Step 6: Final answer
    x = 481,037.38

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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.