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Finding the Fourth Proportional to 479,113.79, 661,153.19 and 264,241.04

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Solution

The fourth proportional to 479,113.79, 661,153.19 and 264,241.04 is: 364,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,113.79 : 661,153.19 = 264,241.04 : x
  2. Step 2: Convert to fraction form
    479,113.79/661,153.19 = 264,241.04/x
  3. Step 3: Cross multiply
    479,113.79x = 661,153.19 × 264,241.04
  4. Step 4: Simplify right side
    479,113.79x = 174,703,801,897.95
  5. Step 5: Solve for x
    x = 174,703,801,897.95/479,113.79
  6. Step 6: Final answer
    x = 364,639.48

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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.