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Finding the Fourth Proportional to 443,956.74, 665,824.38 and 174,139.71

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Solution

The fourth proportional to 443,956.74, 665,824.38 and 174,139.71 is: 261,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,956.74 : 665,824.38 = 174,139.71 : x
  2. Step 2: Convert to fraction form
    443,956.74/665,824.38 = 174,139.71/x
  3. Step 3: Cross multiply
    443,956.74x = 665,824.38 × 174,139.71
  4. Step 4: Simplify right side
    443,956.74x = 115,946,464,444.13
  5. Step 5: Solve for x
    x = 115,946,464,444.13/443,956.74
  6. Step 6: Final answer
    x = 261,166.13

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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.