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Finding the Fourth Proportional to 484,144, 724,813.60 and 364,703.97

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Solution

The fourth proportional to 484,144, 724,813.60 and 364,703.97 is: 545,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,144 : 724,813.60 = 364,703.97 : x
  2. Step 2: Convert to fraction form
    484,144/724,813.60 = 364,703.97/x
  3. Step 3: Cross multiply
    484,144x = 724,813.60 × 364,703.97
  4. Step 4: Simplify right side
    484,144x = 264,342,397,429.99
  5. Step 5: Solve for x
    x = 264,342,397,429.99/484,144
  6. Step 6: Final answer
    x = 545,999.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.