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Finding the Fourth Proportional to 419,891.16, 630,080.67 and 176,714.34

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Solution

The fourth proportional to 419,891.16, 630,080.67 and 176,714.34 is: 265,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,891.16 : 630,080.67 = 176,714.34 : x
  2. Step 2: Convert to fraction form
    419,891.16/630,080.67 = 176,714.34/x
  3. Step 3: Cross multiply
    419,891.16x = 630,080.67 × 176,714.34
  4. Step 4: Simplify right side
    419,891.16x = 111,344,289,745.81
  5. Step 5: Solve for x
    x = 111,344,289,745.81/419,891.16
  6. Step 6: Final answer
    x = 265,174.17

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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.