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Finding the Fourth Proportional to 501,581.80, 752,372.70 and 146,581.48

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Solution

The fourth proportional to 501,581.80, 752,372.70 and 146,581.48 is: 219,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,581.80 : 752,372.70 = 146,581.48 : x
  2. Step 2: Convert to fraction form
    501,581.80/752,372.70 = 146,581.48/x
  3. Step 3: Cross multiply
    501,581.80x = 752,372.70 × 146,581.48
  4. Step 4: Simplify right side
    501,581.80x = 110,283,903,877.60
  5. Step 5: Solve for x
    x = 110,283,903,877.60/501,581.80
  6. Step 6: Final answer
    x = 219,872.22

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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.