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Finding the Fourth Proportional to 443,544.23, 665,371.66 and 173,637.48

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Solution

The fourth proportional to 443,544.23, 665,371.66 and 173,637.48 is: 260,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,544.23 : 665,371.66 = 173,637.48 : x
  2. Step 2: Convert to fraction form
    443,544.23/665,371.66 = 173,637.48/x
  3. Step 3: Cross multiply
    443,544.23x = 665,371.66 × 173,637.48
  4. Step 4: Simplify right side
    443,544.23x = 115,533,457,871.72
  5. Step 5: Solve for x
    x = 115,533,457,871.72/443,544.23
  6. Step 6: Final answer
    x = 260,477.88

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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.