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Finding the Fourth Proportional to 456,415.20, 629,804.52 and 252,433.71

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Solution

The fourth proportional to 456,415.20, 629,804.52 and 252,433.71 is: 348,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,415.20 : 629,804.52 = 252,433.71 : x
  2. Step 2: Convert to fraction form
    456,415.20/629,804.52 = 252,433.71/x
  3. Step 3: Cross multiply
    456,415.20x = 629,804.52 × 252,433.71
  4. Step 4: Simplify right side
    456,415.20x = 158,983,891,558.37
  5. Step 5: Solve for x
    x = 158,983,891,558.37/456,415.20
  6. Step 6: Final answer
    x = 348,331.72

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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.