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Finding the Fourth Proportional to 253,924.02, 350,419.13 and 151,953.77

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Solution

The fourth proportional to 253,924.02, 350,419.13 and 151,953.77 is: 209,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,924.02 : 350,419.13 = 151,953.77 : x
  2. Step 2: Convert to fraction form
    253,924.02/350,419.13 = 151,953.77/x
  3. Step 3: Cross multiply
    253,924.02x = 350,419.13 × 151,953.77
  4. Step 4: Simplify right side
    253,924.02x = 53,247,505,371.76
  5. Step 5: Solve for x
    x = 53,247,505,371.76/253,924.02
  6. Step 6: Final answer
    x = 209,698.58

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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.