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Finding the Fourth Proportional to 604,812.30, 906,343.65 and 267,576.90

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Solution

The fourth proportional to 604,812.30, 906,343.65 and 267,576.90 is: 400,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,812.30 : 906,343.65 = 267,576.90 : x
  2. Step 2: Convert to fraction form
    604,812.30/906,343.65 = 267,576.90/x
  3. Step 3: Cross multiply
    604,812.30x = 906,343.65 × 267,576.90
  4. Step 4: Simplify right side
    604,812.30x = 242,516,624,201.69
  5. Step 5: Solve for x
    x = 242,516,624,201.69/604,812.30
  6. Step 6: Final answer
    x = 400,978.33

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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.