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Finding the Fourth Proportional to 659,618.46, 910,273.77 and 373,132.44

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Solution

The fourth proportional to 659,618.46, 910,273.77 and 373,132.44 is: 514,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,618.46 : 910,273.77 = 373,132.44 : x
  2. Step 2: Convert to fraction form
    659,618.46/910,273.77 = 373,132.44/x
  3. Step 3: Cross multiply
    659,618.46x = 910,273.77 × 373,132.44
  4. Step 4: Simplify right side
    659,618.46x = 339,652,672,868.10
  5. Step 5: Solve for x
    x = 339,652,672,868.10/659,618.46
  6. Step 6: Final answer
    x = 514,922.93

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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.