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Finding the Fourth Proportional to 344,025.88, 515,253.14 and 164,237.76

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Solution

The fourth proportional to 344,025.88, 515,253.14 and 164,237.76 is: 245,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,025.88 : 515,253.14 = 164,237.76 : x
  2. Step 2: Convert to fraction form
    344,025.88/515,253.14 = 164,237.76/x
  3. Step 3: Cross multiply
    344,025.88x = 515,253.14 × 164,237.76
  4. Step 4: Simplify right side
    344,025.88x = 84,624,021,546.57
  5. Step 5: Solve for x
    x = 84,624,021,546.57/344,025.88
  6. Step 6: Final answer
    x = 245,981.56

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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.