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Finding the Fourth Proportional to 605,052.60, 905,610.60 and 471,208.20

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Solution

The fourth proportional to 605,052.60, 905,610.60 and 471,208.20 is: 705,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,052.60 : 905,610.60 = 471,208.20 : x
  2. Step 2: Convert to fraction form
    605,052.60/905,610.60 = 471,208.20/x
  3. Step 3: Cross multiply
    605,052.60x = 905,610.60 × 471,208.20
  4. Step 4: Simplify right side
    605,052.60x = 426,731,140,726.92
  5. Step 5: Solve for x
    x = 426,731,140,726.92/605,052.60
  6. Step 6: Final answer
    x = 705,279.41

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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.