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Finding the Fourth Proportional to 603,924.80, 906,405.60 and 267,483.20

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Solution

The fourth proportional to 603,924.80, 906,405.60 and 267,483.20 is: 401,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,924.80 : 906,405.60 = 267,483.20 : x
  2. Step 2: Convert to fraction form
    603,924.80/906,405.60 = 267,483.20/x
  3. Step 3: Cross multiply
    603,924.80x = 906,405.60 × 267,483.20
  4. Step 4: Simplify right side
    603,924.80x = 242,448,270,385.92
  5. Step 5: Solve for x
    x = 242,448,270,385.92/603,924.80
  6. Step 6: Final answer
    x = 401,454.40

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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.