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Finding the Fourth Proportional to 659,491.11, 910,195.52 and 417,796.11

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Solution

The fourth proportional to 659,491.11, 910,195.52 and 417,796.11 is: 576,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,491.11 : 910,195.52 = 417,796.11 : x
  2. Step 2: Convert to fraction form
    659,491.11/910,195.52 = 417,796.11/x
  3. Step 3: Cross multiply
    659,491.11x = 910,195.52 × 417,796.11
  4. Step 4: Simplify right side
    659,491.11x = 380,276,145,506.45
  5. Step 5: Solve for x
    x = 380,276,145,506.45/659,491.11
  6. Step 6: Final answer
    x = 576,620.58

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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.