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Finding the Fourth Proportional to 456,410.76, 629,634.76 and 295,317.71

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Solution

The fourth proportional to 456,410.76, 629,634.76 and 295,317.71 is: 407,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,410.76 : 629,634.76 = 295,317.71 : x
  2. Step 2: Convert to fraction form
    456,410.76/629,634.76 = 295,317.71/x
  3. Step 3: Cross multiply
    456,410.76x = 629,634.76 × 295,317.71
  4. Step 4: Simplify right side
    456,410.76x = 185,942,292,311.43
  5. Step 5: Solve for x
    x = 185,942,292,311.43/456,410.76
  6. Step 6: Final answer
    x = 407,401.20

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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.