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Finding the Fourth Proportional to 672,653.44, 1,008,951 and 167,203.76

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Solution

The fourth proportional to 672,653.44, 1,008,951 and 167,203.76 is: 250,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,653.44 : 1,008,951 = 167,203.76 : x
  2. Step 2: Convert to fraction form
    672,653.44/1,008,951 = 167,203.76/x
  3. Step 3: Cross multiply
    672,653.44x = 1,008,951 × 167,203.76
  4. Step 4: Simplify right side
    672,653.44x = 168,700,400,855.76
  5. Step 5: Solve for x
    x = 168,700,400,855.76/672,653.44
  6. Step 6: Final answer
    x = 250,798.39

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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.