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Finding the Fourth Proportional to 408,020.88, 562,894.20 and 254,793.06

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Solution

The fourth proportional to 408,020.88, 562,894.20 and 254,793.06 is: 351,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,020.88 : 562,894.20 = 254,793.06 : x
  2. Step 2: Convert to fraction form
    408,020.88/562,894.20 = 254,793.06/x
  3. Step 3: Cross multiply
    408,020.88x = 562,894.20 × 254,793.06
  4. Step 4: Simplify right side
    408,020.88x = 143,421,535,674.25
  5. Step 5: Solve for x
    x = 143,421,535,674.25/408,020.88
  6. Step 6: Final answer
    x = 351,505.38

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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.