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Finding the Fourth Proportional to 365,065, 504,020.78 and 250,535.32

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Solution

The fourth proportional to 365,065, 504,020.78 and 250,535.32 is: 345,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,065 : 504,020.78 = 250,535.32 : x
  2. Step 2: Convert to fraction form
    365,065/504,020.78 = 250,535.32/x
  3. Step 3: Cross multiply
    365,065x = 504,020.78 × 250,535.32
  4. Step 4: Simplify right side
    365,065x = 126,275,007,403.95
  5. Step 5: Solve for x
    x = 126,275,007,403.95/365,065
  6. Step 6: Final answer
    x = 345,897.33

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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.