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Finding the Fourth Proportional to 500,614.32, 750,618.75 and 196,644.61

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Solution

The fourth proportional to 500,614.32, 750,618.75 and 196,644.61 is: 294,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,614.32 : 750,618.75 = 196,644.61 : x
  2. Step 2: Convert to fraction form
    500,614.32/750,618.75 = 196,644.61/x
  3. Step 3: Cross multiply
    500,614.32x = 750,618.75 × 196,644.61
  4. Step 4: Simplify right side
    500,614.32x = 147,605,131,922.00
  5. Step 5: Solve for x
    x = 147,605,131,922.00/500,614.32
  6. Step 6: Final answer
    x = 294,848.00

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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.