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Finding the Fourth Proportional to 279,573.93, 385,862.59 and 164,845.73

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Solution

The fourth proportional to 279,573.93, 385,862.59 and 164,845.73 is: 227,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,573.93 : 385,862.59 = 164,845.73 : x
  2. Step 2: Convert to fraction form
    279,573.93/385,862.59 = 164,845.73/x
  3. Step 3: Cross multiply
    279,573.93x = 385,862.59 × 164,845.73
  4. Step 4: Simplify right side
    279,573.93x = 63,607,800,571.70
  5. Step 5: Solve for x
    x = 63,607,800,571.70/279,573.93
  6. Step 6: Final answer
    x = 227,516.92

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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.