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Finding the Fourth Proportional to 471,202.80, 706,804.20 and 377,890.80

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Solution

The fourth proportional to 471,202.80, 706,804.20 and 377,890.80 is: 566,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,202.80 : 706,804.20 = 377,890.80 : x
  2. Step 2: Convert to fraction form
    471,202.80/706,804.20 = 377,890.80/x
  3. Step 3: Cross multiply
    471,202.80x = 706,804.20 × 377,890.80
  4. Step 4: Simplify right side
    471,202.80x = 267,094,804,581.36
  5. Step 5: Solve for x
    x = 267,094,804,581.36/471,202.80
  6. Step 6: Final answer
    x = 566,836.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.