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Finding the Fourth Proportional to 443,364.94, 665,312.37 and 162,910.54

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Solution

The fourth proportional to 443,364.94, 665,312.37 and 162,910.54 is: 244,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,364.94 : 665,312.37 = 162,910.54 : x
  2. Step 2: Convert to fraction form
    443,364.94/665,312.37 = 162,910.54/x
  3. Step 3: Cross multiply
    443,364.94x = 665,312.37 × 162,910.54
  4. Step 4: Simplify right side
    443,364.94x = 108,386,397,465.38
  5. Step 5: Solve for x
    x = 108,386,397,465.38/443,364.94
  6. Step 6: Final answer
    x = 244,463.17

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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.