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Finding the Fourth Proportional to 254,657.30, 351,448.00 and 164,201.56

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Solution

The fourth proportional to 254,657.30, 351,448.00 and 164,201.56 is: 226,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657.30 : 351,448.00 = 164,201.56 : x
  2. Step 2: Convert to fraction form
    254,657.30/351,448.00 = 164,201.56/x
  3. Step 3: Cross multiply
    254,657.30x = 351,448.00 × 164,201.56
  4. Step 4: Simplify right side
    254,657.30x = 57,708,308,569.76
  5. Step 5: Solve for x
    x = 57,708,308,569.76/254,657.30
  6. Step 6: Final answer
    x = 226,611.65

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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.