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Finding the Fourth Proportional to 501,262.25, 751,880.87 and 146,279.34

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Solution

The fourth proportional to 501,262.25, 751,880.87 and 146,279.34 is: 219,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,262.25 : 751,880.87 = 146,279.34 : x
  2. Step 2: Convert to fraction form
    501,262.25/751,880.87 = 146,279.34/x
  3. Step 3: Cross multiply
    501,262.25x = 751,880.87 × 146,279.34
  4. Step 4: Simplify right side
    501,262.25x = 109,984,636,690.83
  5. Step 5: Solve for x
    x = 109,984,636,690.83/501,262.25
  6. Step 6: Final answer
    x = 219,415.36

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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.