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Finding the Fourth Proportional to 351,865.56, 484,813.98 and 238,491.48

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Solution

The fourth proportional to 351,865.56, 484,813.98 and 238,491.48 is: 328,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,865.56 : 484,813.98 = 238,491.48 : x
  2. Step 2: Convert to fraction form
    351,865.56/484,813.98 = 238,491.48/x
  3. Step 3: Cross multiply
    351,865.56x = 484,813.98 × 238,491.48
  4. Step 4: Simplify right side
    351,865.56x = 115,624,003,614.89
  5. Step 5: Solve for x
    x = 115,624,003,614.89/351,865.56
  6. Step 6: Final answer
    x = 328,602.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.