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Finding the Fourth Proportional to 479,653.96, 661,927.84 and 264,794.16

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Solution

The fourth proportional to 479,653.96, 661,927.84 and 264,794.16 is: 365,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,653.96 : 661,927.84 = 264,794.16 : x
  2. Step 2: Convert to fraction form
    479,653.96/661,927.84 = 264,794.16/x
  3. Step 3: Cross multiply
    479,653.96x = 661,927.84 × 264,794.16
  4. Step 4: Simplify right side
    479,653.96x = 175,274,626,373.41
  5. Step 5: Solve for x
    x = 175,274,626,373.41/479,653.96
  6. Step 6: Final answer
    x = 365,418.91

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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.