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Finding the Fourth Proportional to 654,346.40, 902,992.60 and 367,867.76

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Solution

The fourth proportional to 654,346.40, 902,992.60 and 367,867.76 is: 507,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,346.40 : 902,992.60 = 367,867.76 : x
  2. Step 2: Convert to fraction form
    654,346.40/902,992.60 = 367,867.76/x
  3. Step 3: Cross multiply
    654,346.40x = 902,992.60 × 367,867.76
  4. Step 4: Simplify right side
    654,346.40x = 332,181,865,058.58
  5. Step 5: Solve for x
    x = 332,181,865,058.58/654,346.40
  6. Step 6: Final answer
    x = 507,654.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.