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Finding the Fourth Proportional to 499,956.19, 750,012.49 and 162,918.61

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Solution

The fourth proportional to 499,956.19, 750,012.49 and 162,918.61 is: 244,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,956.19 : 750,012.49 = 162,918.61 : x
  2. Step 2: Convert to fraction form
    499,956.19/750,012.49 = 162,918.61/x
  3. Step 3: Cross multiply
    499,956.19x = 750,012.49 × 162,918.61
  4. Step 4: Simplify right side
    499,956.19x = 122,190,990,682.06
  5. Step 5: Solve for x
    x = 122,190,990,682.06/499,956.19
  6. Step 6: Final answer
    x = 244,403.40

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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.