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Finding the Fourth Proportional to 499,763.07, 749,644.03 and 162,803.18

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Solution

The fourth proportional to 499,763.07, 749,644.03 and 162,803.18 is: 244,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,763.07 : 749,644.03 = 162,803.18 : x
  2. Step 2: Convert to fraction form
    499,763.07/749,644.03 = 162,803.18/x
  3. Step 3: Cross multiply
    499,763.07x = 749,644.03 × 162,803.18
  4. Step 4: Simplify right side
    499,763.07x = 122,044,431,952.02
  5. Step 5: Solve for x
    x = 122,044,431,952.02/499,763.07
  6. Step 6: Final answer
    x = 244,204.58

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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.