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Finding the Fourth Proportional to 777,773.20, 1,164,910.20 and 462,845.20

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Solution

The fourth proportional to 777,773.20, 1,164,910.20 and 462,845.20 is: 693,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,773.20 : 1,164,910.20 = 462,845.20 : x
  2. Step 2: Convert to fraction form
    777,773.20/1,164,910.20 = 462,845.20/x
  3. Step 3: Cross multiply
    777,773.20x = 1,164,910.20 × 462,845.20
  4. Step 4: Simplify right side
    777,773.20x = 539,173,094,501.04
  5. Step 5: Solve for x
    x = 539,173,094,501.04/777,773.20
  6. Step 6: Final answer
    x = 693,226.63

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1.5x scale

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.