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Finding the Fourth Proportional to 380,078.60, 569,775.18 and 202,710.92

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Solution

The fourth proportional to 380,078.60, 569,775.18 and 202,710.92 is: 303,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,078.60 : 569,775.18 = 202,710.92 : x
  2. Step 2: Convert to fraction form
    380,078.60/569,775.18 = 202,710.92/x
  3. Step 3: Cross multiply
    380,078.60x = 569,775.18 × 202,710.92
  4. Step 4: Simplify right side
    380,078.60x = 115,499,650,930.97
  5. Step 5: Solve for x
    x = 115,499,650,930.97/380,078.60
  6. Step 6: Final answer
    x = 303,883.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.