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Finding the Fourth Proportional to 483,718.80, 725,391.48 and 159,429.03

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Solution

The fourth proportional to 483,718.80, 725,391.48 and 159,429.03 is: 239,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,718.80 : 725,391.48 = 159,429.03 : x
  2. Step 2: Convert to fraction form
    483,718.80/725,391.48 = 159,429.03/x
  3. Step 3: Cross multiply
    483,718.80x = 725,391.48 × 159,429.03
  4. Step 4: Simplify right side
    483,718.80x = 115,648,460,026.66
  5. Step 5: Solve for x
    x = 115,648,460,026.66/483,718.80
  6. Step 6: Final answer
    x = 239,082.00

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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.