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Finding the Fourth Proportional to 457,016.88, 631,340.22 and 365,015.37

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Solution

The fourth proportional to 457,016.88, 631,340.22 and 365,015.37 is: 504,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,016.88 : 631,340.22 = 365,015.37 : x
  2. Step 2: Convert to fraction form
    457,016.88/631,340.22 = 365,015.37/x
  3. Step 3: Cross multiply
    457,016.88x = 631,340.22 × 365,015.37
  4. Step 4: Simplify right side
    457,016.88x = 230,448,879,017.40
  5. Step 5: Solve for x
    x = 230,448,879,017.40/457,016.88
  6. Step 6: Final answer
    x = 504,245.89

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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.