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Finding the Fourth Proportional to 500,571.36, 750,390.48 and 250,961.76

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Solution

The fourth proportional to 500,571.36, 750,390.48 and 250,961.76 is: 376,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,571.36 : 750,390.48 = 250,961.76 : x
  2. Step 2: Convert to fraction form
    500,571.36/750,390.48 = 250,961.76/x
  3. Step 3: Cross multiply
    500,571.36x = 750,390.48 × 250,961.76
  4. Step 4: Simplify right side
    500,571.36x = 188,319,315,548.05
  5. Step 5: Solve for x
    x = 188,319,315,548.05/500,571.36
  6. Step 6: Final answer
    x = 376,208.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.