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Finding the Fourth Proportional to 603,004.28, 903,656.05 and 333,253.89

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Solution

The fourth proportional to 603,004.28, 903,656.05 and 333,253.89 is: 499,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,004.28 : 903,656.05 = 333,253.89 : x
  2. Step 2: Convert to fraction form
    603,004.28/903,656.05 = 333,253.89/x
  3. Step 3: Cross multiply
    603,004.28x = 903,656.05 × 333,253.89
  4. Step 4: Simplify right side
    603,004.28x = 301,146,893,884.54
  5. Step 5: Solve for x
    x = 301,146,893,884.54/603,004.28
  6. Step 6: Final answer
    x = 499,410.87

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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.