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Finding the Fourth Proportional to 603,571.18, 833,000.64 and 361,986.65

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Solution

The fourth proportional to 603,571.18, 833,000.64 and 361,986.65 is: 499,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,571.18 : 833,000.64 = 361,986.65 : x
  2. Step 2: Convert to fraction form
    603,571.18/833,000.64 = 361,986.65/x
  3. Step 3: Cross multiply
    603,571.18x = 833,000.64 × 361,986.65
  4. Step 4: Simplify right side
    603,571.18x = 301,535,113,408.38
  5. Step 5: Solve for x
    x = 301,535,113,408.38/603,571.18
  6. Step 6: Final answer
    x = 499,585.01

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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.