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Finding the Fourth Proportional to 665,072.54, 998,006.25 and 244,390.94

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Solution

The fourth proportional to 665,072.54, 998,006.25 and 244,390.94 is: 366,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,072.54 : 998,006.25 = 244,390.94 : x
  2. Step 2: Convert to fraction form
    665,072.54/998,006.25 = 244,390.94/x
  3. Step 3: Cross multiply
    665,072.54x = 998,006.25 × 244,390.94
  4. Step 4: Simplify right side
    665,072.54x = 243,903,680,573.34
  5. Step 5: Solve for x
    x = 243,903,680,573.34/665,072.54
  6. Step 6: Final answer
    x = 366,732.45

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1.5x scale

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.