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Finding the Fourth Proportional to 500,947.92, 751,499.64 and 168,498

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Solution

The fourth proportional to 500,947.92, 751,499.64 and 168,498 is: 252,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,947.92 : 751,499.64 = 168,498 : x
  2. Step 2: Convert to fraction form
    500,947.92/751,499.64 = 168,498/x
  3. Step 3: Cross multiply
    500,947.92x = 751,499.64 × 168,498
  4. Step 4: Simplify right side
    500,947.92x = 126,626,186,340.72
  5. Step 5: Solve for x
    x = 126,626,186,340.72/500,947.92
  6. Step 6: Final answer
    x = 252,773.16

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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.