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Finding the Fourth Proportional to 501,553, 752,373.24 and 127,576

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Solution

The fourth proportional to 501,553, 752,373.24 and 127,576 is: 191,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,553 : 752,373.24 = 127,576 : x
  2. Step 2: Convert to fraction form
    501,553/752,373.24 = 127,576/x
  3. Step 3: Cross multiply
    501,553x = 752,373.24 × 127,576
  4. Step 4: Simplify right side
    501,553x = 95,984,768,466.24
  5. Step 5: Solve for x
    x = 95,984,768,466.24/501,553
  6. Step 6: Final answer
    x = 191,375.13

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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.