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Finding the Fourth Proportional to 352,877.84, 486,965.52 and 191,735.36

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Solution

The fourth proportional to 352,877.84, 486,965.52 and 191,735.36 is: 264,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,877.84 : 486,965.52 = 191,735.36 : x
  2. Step 2: Convert to fraction form
    352,877.84/486,965.52 = 191,735.36/x
  3. Step 3: Cross multiply
    352,877.84x = 486,965.52 × 191,735.36
  4. Step 4: Simplify right side
    352,877.84x = 93,368,509,284.79
  5. Step 5: Solve for x
    x = 93,368,509,284.79/352,877.84
  6. Step 6: Final answer
    x = 264,591.59

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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.