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Finding the Fourth Proportional to 471,244.32, 706,598.72 and 321,665.67

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Solution

The fourth proportional to 471,244.32, 706,598.72 and 321,665.67 is: 482,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,244.32 : 706,598.72 = 321,665.67 : x
  2. Step 2: Convert to fraction form
    471,244.32/706,598.72 = 321,665.67/x
  3. Step 3: Cross multiply
    471,244.32x = 706,598.72 × 321,665.67
  4. Step 4: Simplify right side
    471,244.32x = 227,288,550,689.94
  5. Step 5: Solve for x
    x = 227,288,550,689.94/471,244.32
  6. Step 6: Final answer
    x = 482,315.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.