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Finding the Fourth Proportional to 662,735.76, 914,601.24 and 376,282.50

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Solution

The fourth proportional to 662,735.76, 914,601.24 and 376,282.50 is: 519,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,735.76 : 914,601.24 = 376,282.50 : x
  2. Step 2: Convert to fraction form
    662,735.76/914,601.24 = 376,282.50/x
  3. Step 3: Cross multiply
    662,735.76x = 914,601.24 × 376,282.50
  4. Step 4: Simplify right side
    662,735.76x = 344,148,441,090.30
  5. Step 5: Solve for x
    x = 344,148,441,090.30/662,735.76
  6. Step 6: Final answer
    x = 519,284.55

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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.