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Finding the Fourth Proportional to 653,607.16, 980,568.36 and 227,080.91

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Solution

The fourth proportional to 653,607.16, 980,568.36 and 227,080.91 is: 340,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,607.16 : 980,568.36 = 227,080.91 : x
  2. Step 2: Convert to fraction form
    653,607.16/980,568.36 = 227,080.91/x
  3. Step 3: Cross multiply
    653,607.16x = 980,568.36 × 227,080.91
  4. Step 4: Simplify right side
    653,607.16x = 222,668,349,467.76
  5. Step 5: Solve for x
    x = 222,668,349,467.76/653,607.16
  6. Step 6: Final answer
    x = 340,676.12

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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.