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Finding the Fourth Proportional to 352,798.58, 486,865.50 and 191,654.94

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Solution

The fourth proportional to 352,798.58, 486,865.50 and 191,654.94 is: 264,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,798.58 : 486,865.50 = 191,654.94 : x
  2. Step 2: Convert to fraction form
    352,798.58/486,865.50 = 191,654.94/x
  3. Step 3: Cross multiply
    352,798.58x = 486,865.50 × 191,654.94
  4. Step 4: Simplify right side
    352,798.58x = 93,310,178,190.57
  5. Step 5: Solve for x
    x = 93,310,178,190.57/352,798.58
  6. Step 6: Final answer
    x = 264,485.70

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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.