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Finding the Fourth Proportional to 253,981.94, 350,496.45 and 146,556.50

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Solution

The fourth proportional to 253,981.94, 350,496.45 and 146,556.50 is: 202,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,981.94 : 350,496.45 = 146,556.50 : x
  2. Step 2: Convert to fraction form
    253,981.94/350,496.45 = 146,556.50/x
  3. Step 3: Cross multiply
    253,981.94x = 350,496.45 × 146,556.50
  4. Step 4: Simplify right side
    253,981.94x = 51,367,531,221.94
  5. Step 5: Solve for x
    x = 51,367,531,221.94/253,981.94
  6. Step 6: Final answer
    x = 202,248.76

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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.