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Finding the Fourth Proportional to 547,672.40, 821,602 and 244,176.68

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Solution

The fourth proportional to 547,672.40, 821,602 and 244,176.68 is: 366,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,672.40 : 821,602 = 244,176.68 : x
  2. Step 2: Convert to fraction form
    547,672.40/821,602 = 244,176.68/x
  3. Step 3: Cross multiply
    547,672.40x = 821,602 × 244,176.68
  4. Step 4: Simplify right side
    547,672.40x = 200,616,048,641.36
  5. Step 5: Solve for x
    x = 200,616,048,641.36/547,672.40
  6. Step 6: Final answer
    x = 366,306.66

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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.