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Finding the Fourth Proportional to 605,087.80, 906,756.90 and 267,852.40

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Solution

The fourth proportional to 605,087.80, 906,756.90 and 267,852.40 is: 401,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,087.80 : 906,756.90 = 267,852.40 : x
  2. Step 2: Convert to fraction form
    605,087.80/906,756.90 = 267,852.40/x
  3. Step 3: Cross multiply
    605,087.80x = 906,756.90 × 267,852.40
  4. Step 4: Simplify right side
    605,087.80x = 242,877,011,881.56
  5. Step 5: Solve for x
    x = 242,877,011,881.56/605,087.80
  6. Step 6: Final answer
    x = 401,391.35

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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.