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Finding the Fourth Proportional to 363,984.60, 545,976.90 and 186,837.60

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Solution

The fourth proportional to 363,984.60, 545,976.90 and 186,837.60 is: 280,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,984.60 : 545,976.90 = 186,837.60 : x
  2. Step 2: Convert to fraction form
    363,984.60/545,976.90 = 186,837.60/x
  3. Step 3: Cross multiply
    363,984.60x = 545,976.90 × 186,837.60
  4. Step 4: Simplify right side
    363,984.60x = 102,009,013,651.44
  5. Step 5: Solve for x
    x = 102,009,013,651.44/363,984.60
  6. Step 6: Final answer
    x = 280,256.40

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1.5x scale

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.