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Finding the Fourth Proportional to 656,510.98, 984,871.40 and 277,435.33

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Solution

The fourth proportional to 656,510.98, 984,871.40 and 277,435.33 is: 416,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,510.98 : 984,871.40 = 277,435.33 : x
  2. Step 2: Convert to fraction form
    656,510.98/984,871.40 = 277,435.33/x
  3. Step 3: Cross multiply
    656,510.98x = 984,871.40 × 277,435.33
  4. Step 4: Simplify right side
    656,510.98x = 273,238,121,866.56
  5. Step 5: Solve for x
    x = 273,238,121,866.56/656,510.98
  6. Step 6: Final answer
    x = 416,197.34

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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.