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Finding the Fourth Proportional to 352,762.92, 486,821.61 and 191,617.92

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Solution

The fourth proportional to 352,762.92, 486,821.61 and 191,617.92 is: 264,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,762.92 : 486,821.61 = 191,617.92 : x
  2. Step 2: Convert to fraction form
    352,762.92/486,821.61 = 191,617.92/x
  3. Step 3: Cross multiply
    352,762.92x = 486,821.61 × 191,617.92
  4. Step 4: Simplify right side
    352,762.92x = 93,283,744,319.25
  5. Step 5: Solve for x
    x = 93,283,744,319.25/352,762.92
  6. Step 6: Final answer
    x = 264,437.50

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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.