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Finding the Fourth Proportional to 496,757.50, 685,525.44 and 270,403

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Solution

The fourth proportional to 496,757.50, 685,525.44 and 270,403 is: 373,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,757.50 : 685,525.44 = 270,403 : x
  2. Step 2: Convert to fraction form
    496,757.50/685,525.44 = 270,403/x
  3. Step 3: Cross multiply
    496,757.50x = 685,525.44 × 270,403
  4. Step 4: Simplify right side
    496,757.50x = 185,368,135,552.32
  5. Step 5: Solve for x
    x = 185,368,135,552.32/496,757.50
  6. Step 6: Final answer
    x = 373,156.19

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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.