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Finding the Fourth Proportional to 654,341.88, 903,023.82 and 367,951.80

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Solution

The fourth proportional to 654,341.88, 903,023.82 and 367,951.80 is: 507,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,341.88 : 903,023.82 = 367,951.80 : x
  2. Step 2: Convert to fraction form
    654,341.88/903,023.82 = 367,951.80/x
  3. Step 3: Cross multiply
    654,341.88x = 903,023.82 × 367,951.80
  4. Step 4: Simplify right side
    654,341.88x = 332,269,240,011.88
  5. Step 5: Solve for x
    x = 332,269,240,011.88/654,341.88
  6. Step 6: Final answer
    x = 507,791.49

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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.