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Finding the Fourth Proportional to 603,801.66, 833,325.13 and 389,564.97

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Solution

The fourth proportional to 603,801.66, 833,325.13 and 389,564.97 is: 537,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,801.66 : 833,325.13 = 389,564.97 : x
  2. Step 2: Convert to fraction form
    603,801.66/833,325.13 = 389,564.97/x
  3. Step 3: Cross multiply
    603,801.66x = 833,325.13 × 389,564.97
  4. Step 4: Simplify right side
    603,801.66x = 324,634,279,268.70
  5. Step 5: Solve for x
    x = 324,634,279,268.70/603,801.66
  6. Step 6: Final answer
    x = 537,650.52

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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.