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Finding the Fourth Proportional to 577,990.60, 797,787.44 and 336,320

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Solution

The fourth proportional to 577,990.60, 797,787.44 and 336,320 is: 464,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,990.60 : 797,787.44 = 336,320 : x
  2. Step 2: Convert to fraction form
    577,990.60/797,787.44 = 336,320/x
  3. Step 3: Cross multiply
    577,990.60x = 797,787.44 × 336,320
  4. Step 4: Simplify right side
    577,990.60x = 268,311,871,820.80
  5. Step 5: Solve for x
    x = 268,311,871,820.80/577,990.60
  6. Step 6: Final answer
    x = 464,214.94

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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.