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Finding the Fourth Proportional to 505,244.22, 697,225.77 and 275,805.78

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Solution

The fourth proportional to 505,244.22, 697,225.77 and 275,805.78 is: 380,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,244.22 : 697,225.77 = 275,805.78 : x
  2. Step 2: Convert to fraction form
    505,244.22/697,225.77 = 275,805.78/x
  3. Step 3: Cross multiply
    505,244.22x = 697,225.77 × 275,805.78
  4. Step 4: Simplify right side
    505,244.22x = 192,298,897,330.95
  5. Step 5: Solve for x
    x = 192,298,897,330.95/505,244.22
  6. Step 6: Final answer
    x = 380,605.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.