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Finding the Fourth Proportional to 625,208.64, 937,928.16 and 204,507.84

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Solution

The fourth proportional to 625,208.64, 937,928.16 and 204,507.84 is: 306,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,208.64 : 937,928.16 = 204,507.84 : x
  2. Step 2: Convert to fraction form
    625,208.64/937,928.16 = 204,507.84/x
  3. Step 3: Cross multiply
    625,208.64x = 937,928.16 × 204,507.84
  4. Step 4: Simplify right side
    625,208.64x = 191,813,662,076.77
  5. Step 5: Solve for x
    x = 191,813,662,076.77/625,208.64
  6. Step 6: Final answer
    x = 306,799.44

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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.