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Finding the Fourth Proportional to 807,610.12, 1,114,509.48 and 445,046.96

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Solution

The fourth proportional to 807,610.12, 1,114,509.48 and 445,046.96 is: 614,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,610.12 : 1,114,509.48 = 445,046.96 : x
  2. Step 2: Convert to fraction form
    807,610.12/1,114,509.48 = 445,046.96/x
  3. Step 3: Cross multiply
    807,610.12x = 1,114,509.48 × 445,046.96
  4. Step 4: Simplify right side
    807,610.12x = 496,009,055,965.18
  5. Step 5: Solve for x
    x = 496,009,055,965.18/807,610.12
  6. Step 6: Final answer
    x = 614,168.95

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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.