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Finding the Fourth Proportional to 473,285.72, 653,133.54 and 303,519.56

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Solution

The fourth proportional to 473,285.72, 653,133.54 and 303,519.56 is: 418,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,285.72 : 653,133.54 = 303,519.56 : x
  2. Step 2: Convert to fraction form
    473,285.72/653,133.54 = 303,519.56/x
  3. Step 3: Cross multiply
    473,285.72x = 653,133.54 × 303,519.56
  4. Step 4: Simplify right side
    473,285.72x = 198,238,804,682.04
  5. Step 5: Solve for x
    x = 198,238,804,682.04/473,285.72
  6. Step 6: Final answer
    x = 418,856.51

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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.