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Finding the Fourth Proportional to 606,195.60, 908,710.20 and 471,184.80

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Solution

The fourth proportional to 606,195.60, 908,710.20 and 471,184.80 is: 706,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,195.60 : 908,710.20 = 471,184.80 : x
  2. Step 2: Convert to fraction form
    606,195.60/908,710.20 = 471,184.80/x
  3. Step 3: Cross multiply
    606,195.60x = 908,710.20 × 471,184.80
  4. Step 4: Simplify right side
    606,195.60x = 428,170,433,844.96
  5. Step 5: Solve for x
    x = 428,170,433,844.96/606,195.60
  6. Step 6: Final answer
    x = 706,323.89

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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.