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Finding the Fourth Proportional to 536,621.60, 804,932.40 and 480,634.40

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Solution

The fourth proportional to 536,621.60, 804,932.40 and 480,634.40 is: 720,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,621.60 : 804,932.40 = 480,634.40 : x
  2. Step 2: Convert to fraction form
    536,621.60/804,932.40 = 480,634.40/x
  3. Step 3: Cross multiply
    536,621.60x = 804,932.40 × 480,634.40
  4. Step 4: Simplify right side
    536,621.60x = 386,878,201,114.56
  5. Step 5: Solve for x
    x = 386,878,201,114.56/536,621.60
  6. Step 6: Final answer
    x = 720,951.60

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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.