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Finding the Fourth Proportional to 604,674.80, 906,137.40 and 267,439.40

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Solution

The fourth proportional to 604,674.80, 906,137.40 and 267,439.40 is: 400,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,674.80 : 906,137.40 = 267,439.40 : x
  2. Step 2: Convert to fraction form
    604,674.80/906,137.40 = 267,439.40/x
  3. Step 3: Cross multiply
    604,674.80x = 906,137.40 × 267,439.40
  4. Step 4: Simplify right side
    604,674.80x = 242,336,842,573.56
  5. Step 5: Solve for x
    x = 242,336,842,573.56/604,674.80
  6. Step 6: Final answer
    x = 400,772.19

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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.