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Finding the Fourth Proportional to 483,988.00, 667,903.99 and 269,123.45

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Solution

The fourth proportional to 483,988.00, 667,903.99 and 269,123.45 is: 371,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,988.00 : 667,903.99 = 269,123.45 : x
  2. Step 2: Convert to fraction form
    483,988.00/667,903.99 = 269,123.45/x
  3. Step 3: Cross multiply
    483,988.00x = 667,903.99 × 269,123.45
  4. Step 4: Simplify right side
    483,988.00x = 179,748,625,746.02
  5. Step 5: Solve for x
    x = 179,748,625,746.02/483,988.00
  6. Step 6: Final answer
    x = 371,390.67

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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.