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Finding the Fourth Proportional to 471,247.80, 706,871.70 and 377,935.80

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Solution

The fourth proportional to 471,247.80, 706,871.70 and 377,935.80 is: 566,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,247.80 : 706,871.70 = 377,935.80 : x
  2. Step 2: Convert to fraction form
    471,247.80/706,871.70 = 377,935.80/x
  3. Step 3: Cross multiply
    471,247.80x = 706,871.70 × 377,935.80
  4. Step 4: Simplify right side
    471,247.80x = 267,152,121,436.86
  5. Step 5: Solve for x
    x = 267,152,121,436.86/471,247.80
  6. Step 6: Final answer
    x = 566,903.70

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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.