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Finding the Fourth Proportional to 404,579.88, 603,793.44 and 359,740.68

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Solution

The fourth proportional to 404,579.88, 603,793.44 and 359,740.68 is: 536,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,579.88 : 603,793.44 = 359,740.68 : x
  2. Step 2: Convert to fraction form
    404,579.88/603,793.44 = 359,740.68/x
  3. Step 3: Cross multiply
    404,579.88x = 603,793.44 × 359,740.68
  4. Step 4: Simplify right side
    404,579.88x = 217,209,062,685.14
  5. Step 5: Solve for x
    x = 217,209,062,685.14/404,579.88
  6. Step 6: Final answer
    x = 536,875.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.