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Finding the Fourth Proportional to 479,708.58, 661,998.84 and 264,849.06

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Solution

The fourth proportional to 479,708.58, 661,998.84 and 264,849.06 is: 365,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,708.58 : 661,998.84 = 264,849.06 : x
  2. Step 2: Convert to fraction form
    479,708.58/661,998.84 = 264,849.06/x
  3. Step 3: Cross multiply
    479,708.58x = 661,998.84 × 264,849.06
  4. Step 4: Simplify right side
    479,708.58x = 175,329,770,495.09
  5. Step 5: Solve for x
    x = 175,329,770,495.09/479,708.58
  6. Step 6: Final answer
    x = 365,492.25

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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.