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Finding the Fourth Proportional to 499,795.00, 689,717.04 and 282,049.76

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Solution

The fourth proportional to 499,795.00, 689,717.04 and 282,049.76 is: 389,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,795.00 : 689,717.04 = 282,049.76 : x
  2. Step 2: Convert to fraction form
    499,795.00/689,717.04 = 282,049.76/x
  3. Step 3: Cross multiply
    499,795.00x = 689,717.04 × 282,049.76
  4. Step 4: Simplify right side
    499,795.00x = 194,534,523,753.41
  5. Step 5: Solve for x
    x = 194,534,523,753.41/499,795.00
  6. Step 6: Final answer
    x = 389,228.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.