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Finding the Fourth Proportional to 659,491.14, 910,118.43 and 373,005.66

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Solution

The fourth proportional to 659,491.14, 910,118.43 and 373,005.66 is: 514,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,491.14 : 910,118.43 = 373,005.66 : x
  2. Step 2: Convert to fraction form
    659,491.14/910,118.43 = 373,005.66/x
  3. Step 3: Cross multiply
    659,491.14x = 910,118.43 × 373,005.66
  4. Step 4: Simplify right side
    659,491.14x = 339,479,325,660.31
  5. Step 5: Solve for x
    x = 339,479,325,660.31/659,491.14
  6. Step 6: Final answer
    x = 514,759.49

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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.