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Finding the Fourth Proportional to 479,617.04, 661,873.11 and 264,756.60

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Solution

The fourth proportional to 479,617.04, 661,873.11 and 264,756.60 is: 365,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,617.04 : 661,873.11 = 264,756.60 : x
  2. Step 2: Convert to fraction form
    479,617.04/661,873.11 = 264,756.60/x
  3. Step 3: Cross multiply
    479,617.04x = 661,873.11 × 264,756.60
  4. Step 4: Simplify right side
    479,617.04x = 175,235,269,601.88
  5. Step 5: Solve for x
    x = 175,235,269,601.88/479,617.04
  6. Step 6: Final answer
    x = 365,364.98

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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.