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Finding the Fourth Proportional to 605,101.20, 907,651.80 and 555,334.80

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Solution

The fourth proportional to 605,101.20, 907,651.80 and 555,334.80 is: 833,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,101.20 : 907,651.80 = 555,334.80 : x
  2. Step 2: Convert to fraction form
    605,101.20/907,651.80 = 555,334.80/x
  3. Step 3: Cross multiply
    605,101.20x = 907,651.80 × 555,334.80
  4. Step 4: Simplify right side
    605,101.20x = 504,050,630,822.64
  5. Step 5: Solve for x
    x = 504,050,630,822.64/605,101.20
  6. Step 6: Final answer
    x = 833,002.20

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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.