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Finding the Fourth Proportional to 501,583.98, 752,419.71 and 141,758.62

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Solution

The fourth proportional to 501,583.98, 752,419.71 and 141,758.62 is: 212,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,583.98 : 752,419.71 = 141,758.62 : x
  2. Step 2: Convert to fraction form
    501,583.98/752,419.71 = 141,758.62/x
  3. Step 3: Cross multiply
    501,583.98x = 752,419.71 × 141,758.62
  4. Step 4: Simplify right side
    501,583.98x = 106,661,979,750.40
  5. Step 5: Solve for x
    x = 106,661,979,750.40/501,583.98
  6. Step 6: Final answer
    x = 212,650.29

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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.