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Finding the Fourth Proportional to 283,658, 425,507.48 and 108,554

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Solution

The fourth proportional to 283,658, 425,507.48 and 108,554 is: 162,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,658 : 425,507.48 = 108,554 : x
  2. Step 2: Convert to fraction form
    283,658/425,507.48 = 108,554/x
  3. Step 3: Cross multiply
    283,658x = 425,507.48 × 108,554
  4. Step 4: Simplify right side
    283,658x = 46,190,538,983.92
  5. Step 5: Solve for x
    x = 46,190,538,983.92/283,658
  6. Step 6: Final answer
    x = 162,838.84

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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.