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Finding the Fourth Proportional to 606,126.60, 908,606.70 and 471,115.80

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Solution

The fourth proportional to 606,126.60, 908,606.70 and 471,115.80 is: 706,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,126.60 : 908,606.70 = 471,115.80 : x
  2. Step 2: Convert to fraction form
    606,126.60/908,606.70 = 471,115.80/x
  3. Step 3: Cross multiply
    606,126.60x = 908,606.70 × 471,115.80
  4. Step 4: Simplify right side
    606,126.60x = 428,058,972,355.86
  5. Step 5: Solve for x
    x = 428,058,972,355.86/606,126.60
  6. Step 6: Final answer
    x = 706,220.40

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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.