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Finding the Fourth Proportional to 472,991.76, 652,610.52 and 303,455.52

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Solution

The fourth proportional to 472,991.76, 652,610.52 and 303,455.52 is: 418,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,991.76 : 652,610.52 = 303,455.52 : x
  2. Step 2: Convert to fraction form
    472,991.76/652,610.52 = 303,455.52/x
  3. Step 3: Cross multiply
    472,991.76x = 652,610.52 × 303,455.52
  4. Step 4: Simplify right side
    472,991.76x = 198,038,264,704.07
  5. Step 5: Solve for x
    x = 198,038,264,704.07/472,991.76
  6. Step 6: Final answer
    x = 418,692.84

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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.