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Finding the Fourth Proportional to 604,408.23, 906,929.87 and 267,681.51

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Solution

The fourth proportional to 604,408.23, 906,929.87 and 267,681.51 is: 401,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,408.23 : 906,929.87 = 267,681.51 : x
  2. Step 2: Convert to fraction form
    604,408.23/906,929.87 = 267,681.51/x
  3. Step 3: Cross multiply
    604,408.23x = 906,929.87 × 267,681.51
  4. Step 4: Simplify right side
    604,408.23x = 242,768,355,727.30
  5. Step 5: Solve for x
    x = 242,768,355,727.30/604,408.23
  6. Step 6: Final answer
    x = 401,662.89

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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.