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Finding the Fourth Proportional to 364,869.60, 547,304.40 and 98,622.60

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Solution

The fourth proportional to 364,869.60, 547,304.40 and 98,622.60 is: 147,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,869.60 : 547,304.40 = 98,622.60 : x
  2. Step 2: Convert to fraction form
    364,869.60/547,304.40 = 98,622.60/x
  3. Step 3: Cross multiply
    364,869.60x = 547,304.40 × 98,622.60
  4. Step 4: Simplify right side
    364,869.60x = 53,976,582,919.44
  5. Step 5: Solve for x
    x = 53,976,582,919.44/364,869.60
  6. Step 6: Final answer
    x = 147,933.90

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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.