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Finding the Fourth Proportional to 484,718.58, 667,450.83 and 456,313.10

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Solution

The fourth proportional to 484,718.58, 667,450.83 and 456,313.10 is: 628,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,718.58 : 667,450.83 = 456,313.10 : x
  2. Step 2: Convert to fraction form
    484,718.58/667,450.83 = 456,313.10/x
  3. Step 3: Cross multiply
    484,718.58x = 667,450.83 × 456,313.10
  4. Step 4: Simplify right side
    484,718.58x = 304,566,555,708.79
  5. Step 5: Solve for x
    x = 304,566,555,708.79/484,718.58
  6. Step 6: Final answer
    x = 628,336.87

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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.