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Finding the Fourth Proportional to 654,349.33, 903,003.48 and 367,871.77

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Solution

The fourth proportional to 654,349.33, 903,003.48 and 367,871.77 is: 507,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,349.33 : 903,003.48 = 367,871.77 : x
  2. Step 2: Convert to fraction form
    654,349.33/903,003.48 = 367,871.77/x
  3. Step 3: Cross multiply
    654,349.33x = 903,003.48 × 367,871.77
  4. Step 4: Simplify right side
    654,349.33x = 332,189,488,503.76
  5. Step 5: Solve for x
    x = 332,189,488,503.76/654,349.33
  6. Step 6: Final answer
    x = 507,663.83

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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.