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Finding the Fourth Proportional to 501,100.34, 751,570.49 and 146,031.30

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Solution

The fourth proportional to 501,100.34, 751,570.49 and 146,031.30 is: 219,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,100.34 : 751,570.49 = 146,031.30 : x
  2. Step 2: Convert to fraction form
    501,100.34/751,570.49 = 146,031.30/x
  3. Step 3: Cross multiply
    501,100.34x = 751,570.49 × 146,031.30
  4. Step 4: Simplify right side
    501,100.34x = 109,752,815,696.34
  5. Step 5: Solve for x
    x = 109,752,815,696.34/501,100.34
  6. Step 6: Final answer
    x = 219,023.63

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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.