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Finding the Fourth Proportional to 500,574.87, 750,705.30 and 163,538.73

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Solution

The fourth proportional to 500,574.87, 750,705.30 and 163,538.73 is: 245,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,574.87 : 750,705.30 = 163,538.73 : x
  2. Step 2: Convert to fraction form
    500,574.87/750,705.30 = 163,538.73/x
  3. Step 3: Cross multiply
    500,574.87x = 750,705.30 × 163,538.73
  4. Step 4: Simplify right side
    500,574.87x = 122,769,391,366.27
  5. Step 5: Solve for x
    x = 122,769,391,366.27/500,574.87
  6. Step 6: Final answer
    x = 245,256.80

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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.