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Finding the Fourth Proportional to 501,059.25, 749,705.63 and 351,591.17

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Solution

The fourth proportional to 501,059.25, 749,705.63 and 351,591.17 is: 526,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,059.25 : 749,705.63 = 351,591.17 : x
  2. Step 2: Convert to fraction form
    501,059.25/749,705.63 = 351,591.17/x
  3. Step 3: Cross multiply
    501,059.25x = 749,705.63 × 351,591.17
  4. Step 4: Simplify right side
    501,059.25x = 263,589,874,100.80
  5. Step 5: Solve for x
    x = 263,589,874,100.80/501,059.25
  6. Step 6: Final answer
    x = 526,065.28

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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.