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Finding the Fourth Proportional to 479,627.28, 661,902.48 and 264,775.32

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Solution

The fourth proportional to 479,627.28, 661,902.48 and 264,775.32 is: 365,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,627.28 : 661,902.48 = 264,775.32 : x
  2. Step 2: Convert to fraction form
    479,627.28/661,902.48 = 264,775.32/x
  3. Step 3: Cross multiply
    479,627.28x = 661,902.48 × 264,775.32
  4. Step 4: Simplify right side
    479,627.28x = 175,255,440,950.79
  5. Step 5: Solve for x
    x = 175,255,440,950.79/479,627.28
  6. Step 6: Final answer
    x = 365,399.23

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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.