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Finding the Fourth Proportional to 424,060.65, 585,208.21 and 230,468.37

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Solution

The fourth proportional to 424,060.65, 585,208.21 and 230,468.37 is: 318,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,060.65 : 585,208.21 = 230,468.37 : x
  2. Step 2: Convert to fraction form
    424,060.65/585,208.21 = 230,468.37/x
  3. Step 3: Cross multiply
    424,060.65x = 585,208.21 × 230,468.37
  4. Step 4: Simplify right side
    424,060.65x = 134,871,982,557.40
  5. Step 5: Solve for x
    x = 134,871,982,557.40/424,060.65
  6. Step 6: Final answer
    x = 318,048.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.