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Finding the Fourth Proportional to 601,243.97, 829,732.76 and 339,578.27

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Solution

The fourth proportional to 601,243.97, 829,732.76 and 339,578.27 is: 468,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,243.97 : 829,732.76 = 339,578.27 : x
  2. Step 2: Convert to fraction form
    601,243.97/829,732.76 = 339,578.27/x
  3. Step 3: Cross multiply
    601,243.97x = 829,732.76 × 339,578.27
  4. Step 4: Simplify right side
    601,243.97x = 281,759,220,318.86
  5. Step 5: Solve for x
    x = 281,759,220,318.86/601,243.97
  6. Step 6: Final answer
    x = 468,627.11

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Double scale
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1.5x scale

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.