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Finding the Fourth Proportional to 663,267.33, 915,216.60 and 372,837.84

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Solution

The fourth proportional to 663,267.33, 915,216.60 and 372,837.84 is: 514,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,267.33 : 915,216.60 = 372,837.84 : x
  2. Step 2: Convert to fraction form
    663,267.33/915,216.60 = 372,837.84/x
  3. Step 3: Cross multiply
    663,267.33x = 915,216.60 × 372,837.84
  4. Step 4: Simplify right side
    663,267.33x = 341,227,380,276.14
  5. Step 5: Solve for x
    x = 341,227,380,276.14/663,267.33
  6. Step 6: Final answer
    x = 514,464.33

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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.