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Finding the Fourth Proportional to 656,537.46, 984,436.80 and 207,174.57

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Solution

The fourth proportional to 656,537.46, 984,436.80 and 207,174.57 is: 310,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,537.46 : 984,436.80 = 207,174.57 : x
  2. Step 2: Convert to fraction form
    656,537.46/984,436.80 = 207,174.57/x
  3. Step 3: Cross multiply
    656,537.46x = 984,436.80 × 207,174.57
  4. Step 4: Simplify right side
    656,537.46x = 203,950,270,732.18
  5. Step 5: Solve for x
    x = 203,950,270,732.18/656,537.46
  6. Step 6: Final answer
    x = 310,645.29

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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.